Title: Vectren Infrastructure Services Corp v. Department Of Treasury (Opinion on Application - Remand to TC)

State: michigan

Issuer: Michigan Supreme Court

Document:

VECTREN INFRASTRUCTURE SERVICES CORP v DEPARTMENT OF TREASURY
 
Docket No. 163742.  Argued on application for leave to appeal April 5, 2023.  Decided 
July 31, 2023. 
 
 
Vectren Infrastructure Services Corporation, the successor in interest to Minnesota 
Limited, Inc. (ML), sued the Department of Treasury (the Department) in the Court of Claims, 
alleging that the Department had improperly assessed a tax deficiency against ML after auditing 
ML’s Michigan Business Tax returns for 2010 and part of 2011.  In 2010, Enbridge Inc. retained 
ML, a Minnesota-based company, to assist in the cleanup of a severe oil spill in Kalamazoo.  In 
March 2011, while the Kalamazoo project was ongoing, ML sold all its assets to Vectren for $80 
million.  ML treated the sale for tax purposes as a sale of its assets under the federal tax code.  ML 
timely filed its Michigan tax returns for 2010 and for the period in 2011 before the sale, January 1, 
2011 to March 31, 2011 (the short year).   
 
 
To tax only Michigan business activity, the Michigan Business Tax Act (the MBTA), MCL 
208.1101 et seq., employs an apportionment formula.  For a taxpayer whose business activities are 
subject to tax within and outside Michigan, its tax base is apportioned to Michigan by multiplying 
its tax base by the sales factor calculated under MCL 208.1303.  The sales factor is a fraction, in 
which the numerator is total sales in the state during the tax year and the denominator is total sales 
of the taxpayer everywhere during the tax year.  In its Michigan tax return for the short year, ML 
included the sale of its assets in the denominator of its sales factor.  Following the audit, the 
Department determined that ML had improperly included its gain from the sale of its assets in the 
sales-factor denominator, resulting in an overstatement of its total sales and the reduction of its 
Michigan tax liability.  The auditor excluded ML’s sale of assets from the sales factor and included 
it in ML’s preapportioned tax base, which increased ML’s sales factor from 14.9860% to 
69.9761% and consequently increased its tax liability.  ML asked the Department for an alternative 
apportionment for the short year, but the Department denied ML’s request and determined that 
ML had not overcome the presumption that the statutory apportionment fairly represented ML’s 
business activity in Michigan for the short year.   
 
 
Vectren filed suit in the Court of Claims, arguing, in part, that the Department’s 
formulation of the sales factor for the short year resulted in a grossly distortive tax that violated 
the Equal Protection, Due Process, and Commerce Clauses of the Constitution.  Both parties 
moved for summary disposition, and the court, COLLEEN A. O’BRIEN, J., granted summary 
 
 
Michigan Supreme Court 
Lansing, Michigan 
Syllabus 
 
Chief Justice: 
Elizabeth T. Clement 
 
 
Justices: 
Brian K. Zahra 
David F. Viviano 
Richard H. Bernstein 
Megan K. Cavanagh 
Elizabeth M. Welch 
Kyra H. Bolden 
This syllabus constitutes no part of the opinion of the Court but has been  
prepared by the Reporter of Decisions for the convenience of the reader. 
Reporter of Decisions: 
Kathryn L. Loomis 
disposition for the Department.  According to the court, the Department had properly included 
ML’s gain from the sale of its assets in ML’s tax base because the sale qualified as “business 
income” within the meaning of the MBTA.  The court further concluded that ML was not entitled 
to an alternative apportionment.  Vectren appealed, and the Court of Appeals, TUKEL, P.J., and 
SAWYER and RIORDAN, JJ., reversed the Court of Claims opinion and held that an alternative 
formula was required.  331 Mich App 568 (2020).  The Department sought leave to appeal in the 
Supreme Court, and the Supreme Court vacated the Court of Appeals opinion and remanded the 
case to the Court of Appeals for the limited purpose of addressing whether the Department properly 
calculated and applied the apportionment formula.  506 Mich 964 (2020).  The Court of Appeals 
in turn remanded the case to the Court of Claims for it to address whether Vectren’s inclusion of 
the sale of the business’s tangible and intangible assets in the denominator of the sales factor was 
proper, and the Court of Claims held that it was improper.  Vectren again appealed, and the Court 
of Appeals, SAWYER and RIORDAN, JJ. (TUKEL, P.J., not participating), held that the Court of 
Claims had correctly analyzed the relevant statutes and applied the apportionment formula; 
however, the Court of Appeals adopted its original analysis regarding the constitutional defect 
present in applying the formula and concluded that Vectren was entitled to an alternative 
apportionment because applying the formula extended Michigan’s taxing powers beyond their 
acceptable scope.  339 Mich App 117 (2021).  Finally, the Court of Appeals ordered that the parties 
work together to determine an alternative method of apportionment.  The Department again sought 
leave to appeal in the Supreme Court, and the Supreme Court ordered and heard oral argument on 
the application.  509 Mich 882 (2022). 
 
 
In an opinion by Justice WELCH, joined by Justices BERNSTEIN, CAVANAGH, and BOLDEN, 
the Supreme Court, in lieu of granting leave to appeal, held: 
 
 
The Department properly included the income from the ML-to-Vectren asset sale in the tax 
base apportionment formula under the MBTA, and the MBTA formula, as applied, did not 
impermissibly tax income outside the scope of Michigan’s taxing powers and thus did not violate 
the Due Process or Commerce Clauses of the United States Constitution. 
 
 
1.  The Due Process Clause of the Fourteenth Amendment imposes two requirements on 
state taxation: a minimal connection or “nexus” between the interstate activities and the taxing 
state, and a rational relationship between the income attributed to the state and the intrastate values 
of the enterprise.  The major requirement for taxing multistate corporations using an apportionment 
formula is that it must, under both the Due Process and Commerce Clauses, be fair.  A multistate 
business’s income from the sale of assets is apportionable for business tax purposes so long as the 
tax is assessed in a proportionate manner.  A party challenging a business tax on the basis that it 
is disproportionate has a heavy burden of showing by clear and cogent evidence that the 
apportionment formula attributed income out of all appropriate proportion to the business activity 
in Michigan or that it led to a grossly distorted result.   
 
 
2.  The asset-sale income was statutorily apportionable and did not offend the Constitution.  
Under the MBTA, the tax liability owed by a unitary business was calculated by multiplying the 
tax base and the sales factor.  Under MCL 208.1201(2), business income had to be included in the 
tax base of the apportionment formula, and under MCL 208.1303(10), ML’s total sales in 
Michigan during the tax year had to be compared to ML’s total sales everywhere during the tax 
year.  MCL 208.1115(1) defined sales as property that can be inventoried and services sold; it did 
not include the sale of a company.  In this case, ML chose to treat the sale of its business to Vectren 
as a sale of assets.  Accordingly, while the asset-sale income generated from the sale of ML to 
Vectren was business income and includable in the tax base, it was inappropriate to include the 
asset sale in either the sales-factor numerator or denominator.  Because Vectren failed to show that 
the formula either was improperly calculated or unreasonably reflected the business transacted in 
the taxing year at issue, it had to be upheld. 
 
 
3.  There were no special constitutional protections that prohibited including business-sale 
income in ML’s net income.  United States Supreme Court caselaw outlined the proper legal test 
as not where the assets are physically located or where the company is domiciled for intangible 
assets but rather whether those assets play a part in the unitary business operations that subject the 
corporation to taxation in the taxing state in the first place. 
 
 
4.  ML’s intangible assets were taxable.  The method for measuring the value of intangible 
assets uses a forward-looking analysis.  Where a company operated or whether it was reliable years 
before its sale does not matter as much as the company’s scope and reliability immediately 
preceding the sale.  The record in this case showed connections between Michigan and ML both 
before the sale and as a potential future growth market.  ML had a business presence in Michigan 
for many years before the sale to Vectren, and Michigan remained a target for ML given ML’s 
existing customers and planned market growth at the time of the sale.  Accordingly, the fact that 
ML’s net income during the short year was much greater than in previous years did not support 
the conclusion that the sales factor itself did not fairly represent the extent of ML’s business 
activity in Michigan. 
 
 
5.  The apportionment formula did not violate the Due Process Clause.  Under MCL 
208.1309(3) and United States Supreme Court caselaw, the formula is rebuttably presumed to 
fairly represent the business activity attributed to the taxpayer in Michigan unless it can be 
demonstrated that the business activity attributed to the taxpayer in Michigan is out of all 
appropriate proportion to the actual business activity transacted in Michigan and leads to a grossly 
distorted result or would operate unconstitutionally to tax the extraterritorial activity of the 
taxpayer.  A tax satisfies the Due Process Clause when the tax is applied to an activity with a 
substantial nexus with the taxing state, is fairly apportioned, does not discriminate against 
interstate commerce, and is fairly related to the services provided by the state.  Fairness has two 
components: internal and external consistency.  Internal consistency requires that if the formula 
was applied by every jurisdiction, it would result in no more than all the unitary business income 
being taxed.  External consistency means that the factor or factors used in the apportionment 
formula must actually reflect a reasonable sense of how income is generated.  In this case, the 
parties did not contest that ML had a substantial nexus with Michigan.  The MBTA imposed a 
sales-only formula that attributed 70% of ML’s business activity—including the asset-sale 
income—to Michigan for the 2011 short year.  If every other state employed Michigan’s test, the 
other jurisdictions in which ML operated would both (1) apportion the sale income and (2) divvy 
up the remaining 30% of sales and apply the same formula to the same tax base to calculate their 
apportioned share.  Accordingly, the MBTA test was internally consistent.  With regard to external 
consistency, Vectren had to show by clear and cogent evidence that the ML business activity 
attributed to Michigan was, in fact, out of all appropriate proportion to the business transacted in 
Michigan or led to a grossly distorted result, and Vectren, which did not dispute the amount of 
sales that occurred in Michigan, failed to do so.  Taxing a company’s entire taxable base using a 
proportionality formula that accurately measures sales was appropriate and was not a gross 
distortion.  ML made its money by completing contracts for services that were performed in 
numerous states, including Michigan.  The asset sale’s valuation—especially when considering 
intangible assets—was based on ML’s ability to complete these service sales skillfully, on time, 
and within budget.  Major Michigan-oriented contracts, including the contract with Enbridge, 
demonstrated that ML’s intangible value extended to Michigan.  When ML provided services 
during the relevant tax year in Michigan, Michigan was entitled to a share of the income generated 
from its sales in the ordinary course of business and its asset sale during that year.  Vectren’s other 
argument that the tax formula led to grossly distorted results inappropriately relied on historical 
tax liability without a convincing explanation as to why the historical taxes paid by a company are 
relevant to a different year’s tax liability.  Accordingly, the tax assessment did not violate the Due 
Process Clause. 
 
 
6.  The MBTA test did not violate the Commerce Clause.  The Commerce Clause requires 
that a multistate business tax is applied to an activity with a substantial nexus with the taxing state, 
is fairly apportioned, does not discriminate against interstate commerce, and is fairly related to the 
services provided by the state.  In this case, there was no dispute about the existence of a substantial 
nexus to Michigan, there was no claim that the tax discriminated against interstate commerce, and 
the tax was fairly apportioned to Michigan given the services ML was providing in Michigan at 
the time.  Additionally, the tax was related to services provided by the state, including police and 
fire protection, the benefit of a trained work force, and the advantages of a civilized society.  ML 
relied on local union workforces hired from local chapters to do intrastate work, rented most of its 
equipment intrastate for use on Michigan projects, engaged in highly regulated work constructing 
and repairing pipelines, and performed hazardous material cleanup related to oil pipelines.  
Vectren’s proposed alternative calculations were requests for a geographical accounting that the 
United States Supreme Court has repeatedly rejected.  Accordingly, the MBTA formula did not 
violate the Commerce Clause. 
 
 
Court of Appeals judgment that Vectren demonstrated by clear and cogent evidence that 
the statutory apportionment formula created a grossly disproportionate result when applied to the 
one-time asset sale reversed; remainder of Court of Appeals opinion vacated; and case remanded 
to the Court of Claims. 
 
 
Justice ZAHRA, joined by Chief Justice CLEMENT, dissenting, would have held that the 
Department’s extraordinary upward assessment of ML’s taxable income was unconstitutional and 
disproportionate.  The Court of Appeals in this case provided a thorough and convincing analysis, 
and its decision should have been affirmed.  ML had no physical assets permanently located in 
Michigan.  The Department misallocated millions of dollars in equipment, labor, and intangible 
assets.  In addition to the fact that the assets sold were almost entirely located outside of Michigan, 
the sale itself was by an out-of-state buyer, the ownership position was purchased from Minnesota 
owners, the sale involved out-of-state negotiations, and the sale relied on out-of-state 
intermediaries.  Furthermore, the Department did not take into consideration that the 2011 short 
year was not a typical unitary business operation: during an unusual three-month period in which 
nationwide sales were low and Michigan’s direct-to-consumer sales soared to unprecedented levels 
because of an environmental emergency, ML sold all its corporate rights, property, employee 
contracts, and intellectual property that it had built over decades through out-of-state activity and 
recouped a massive amount of income through an out-of-state corporate sale.  A proper three-
factor valuation of ML’s activities revealed almost no property footprint, minimal payroll, and 
insignificant sales in Michigan.  But instead of using the three-factor model or the location of all 
sales, the Department used only direct-to-consumer sales and only for a three-month period.  ML’s 
proposal of 15% valuation to Michigan was reasonable and more in line with evaluations 
sanctioned by the United States Supreme Court.  The Department calculated a more than 900% 
increase from attribution of the company’s recent average sales history to Michigan and a 2,100% 
increase from the company’s post-2000 sales history before the Kalamazoo River oil spill.  This 
was not a reasonable attribution of regular business income in a unitary business.  Accordingly, 
the tax Michigan imposed was constitutionally impermissible. 
 
 
Justice VIVIANO, dissenting, agreed with the in-depth analysis of the facts of this case 
outlined in Justice ZAHRA’s dissent but wrote separately to offer additional reasons why Vectren 
was entitled to use a reasonable alternative method of apportionment.  Although the statutory 
apportionment formula treated the asset sale as taxable income, it completely failed to consider 
whether the profits from the sale were in any just sense attributable to transactions within 
Michigan.  Because Michigan uses a single-factor sales formula, the formula was incapable of 
accounting for other variables.  The Michigan sales factor during the 2011 short tax year was far 
from consistent with the sales factors from previous years.  The question was not whether 
application of the single-factor sales formula fairly represented the income from the sale of ML’s 
assets to Vectren; the question was whether application of that formula fairly represented the extent 
of ML’s business activity in the state, and in this case, application of the formula did not fairly 
represent the extent of ML’s business activity in Michigan.  Justice VIVIANO would have held that 
Vectren proved by clear and cogent evidence that the income attributed to Michigan under the 
statutory apportionment formula was, in fact, out of all appropriate proportions to the business 
transacted in Michigan or has led to a grossly distorted result. 
 
 
FILED  July 31, 2023 
 
 
 
S T A T E  O F  M I C H I G A N 
 
SUPREME COURT 
 
 
VECTREN INFRASTRUCTURE 
SERVICES CORP., successor in interest to 
MINNESOTA LIMITED, INC., 
 
 
Plaintiff-Appellee, 
 
 
v 
No.  163742 
 
DEPARTMENT OF TREASURY, 
 
 
 
Defendant-Appellant. 
 
 
 
BEFORE THE ENTIRE BENCH  
 
WELCH, J.   
As Benjamin Franklin famously noted, nothing is certain in life but death and taxes.  
The wisdom of this statement is demonstrated through long-established caselaw affirming 
the government’s broad power of taxation.  In this matter involving highly unique 
circumstances, extensive United States Supreme Court precedent mandates that we hold 
 
Michigan Supreme Court 
Lansing, Michigan 
OPINION 
 
Chief Justice: 
Elizabeth T. Clement   
 
 
 
Justices: 
Brian K. Zahra 
David F. Viviano 
Richard H. Bernstein 
Megan K. Cavanagh 
Elizabeth M. Welch 
Kyra H. Bolden 
 
 
 
2 
 
that the Michigan Department of Treasury (Treasury) may assess Vectren Infrastructure 
Services Corporation (Vectren) the disputed business tax amount.   
This case requires us to examine the ability of the state of Michigan to tax the 
income generated by the sale of Minnesota Limited, Inc. (ML), a Minnesota-headquartered 
company, to Vectren under the now-repealed Michigan Business Tax Act (the MBTA)1 
given ML’s extensive operations in Michigan at the time of the sale.  Specifically, this case 
involves a challenge to the constitutionality of Michigan’s business tax apportionment 
formula under the MBTA and the resulting $2,262,994 tax assessment, along with interest 
and penalties after the company was sold.    
Having considered the arguments and the record presented, we hold that (1) the 
income from the asset sale is properly attributable under the MBTA and (2) the MBTA 
formula, as applied, did not impermissibly tax income outside the scope of Michigan’s 
taxing powers and thus did not violate the Due Process or Commerce Clauses of the United 
States Constitution.  We therefore reverse the judgment of the Court of Appeals and remand 
this case to the Court of Claims for further proceedings that are consistent with this opinion.  
I.  INTRODUCTION 
State business income tax laws vary widely across the nation and are complex when 
multistate corporations are at issue.  Michigan’s business income tax system has changed 
 
1 The MBTA, MCL 208.1101 et seq., was enacted by 2007 PA 36 and subsequently 
replaced by the Income Tax Act, MCL 206.1 et seq., as amended by 2011 PA 38 and 2011 
PA 39.  However, the Income Tax Act was not signed into law until May 25, 2011, and 
became effective as of that date.  See 2011 PA 39.  Although certain companies who are 
not parties to this case were allowed to continue using the exemptions obtained under the 
MBTA after the Income Tax Act’s passage, the last vestiges of the MBTA will phase out 
by tax year 2031.  See 2019 PA 90, enacting § 1.   
 
3 
 
many times over the years in an effort to balance ease of administration with fairness for 
those conducting business in the state.  The MBTA was implemented as part of an effort 
to cut and simplify corporate taxation in Michigan.2  To understand the MBTA, it is helpful 
to first understand the formula used to calculate tax liability under the MBTA, so we first 
explain that formula.  We then discuss the history of this case and the history of 
apportionment tax jurisprudence, including numerous decisions of the United States 
Supreme Court.  Finally, we set forth how we are bound to apply that precedent and uphold 
Treasury’s imposition of the MBTA tax. 
A.  THE MBTA FORMULA 
The MBTA imposed “a business income tax on every taxpayer with business 
activity within this state . . . .”  MCL 208.1201(1).  Specifically, “[t]he business income 
tax is imposed on the business income tax base, after allocation or apportionment to this 
state, at the rate of 4.95%.”  Id.  For companies operating in multiple jurisdictions, the 
MBTA included a formula to “apportion” the income based on the estimated percentage of 
business done in Michigan as compared to other states.  MCL 208.1201(2).  A company’s 
total taxable income—or the amount examined to determine tax liability—was calculated 
 
2 See MCL 208.1101(2) (“It is the intent of the legislature that the tax levied under this 
act . . . will serve to improve the economic condition of this state, foster continued and 
diverse economic growth in this state, and enable this state to compete fairly and effectively 
in the world marketplace for economic development opportunities that will provide for and 
protect the health, safety, and welfare of the citizens of this state, now and in the future.”); 
see also Grob, The Michigan Single Business Tax Is Going Away, But Slowly; First, Some 
Important Changes, 78 Mich B J 1308, 1308 (1999) (“Almost continuously since its 
enactment in 1976, the [prior tax scheme, the Single Business Tax Act] has been criticized 
as being confusing, complicated and unfair to businesses.”). 
 
4 
 
by multiplying the “tax base” by a “sales factor.”  The “sales factor” compares Michigan 
sales to all company sales to determine the proper proportionality of the overall tax.3  The 
basic formula was as follows: 
𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴𝐴 𝑇𝑇𝑇𝑇𝑇𝑇 𝐵𝐵𝐵𝐵𝐵𝐵𝐵𝐵= (𝑇𝑇𝑇𝑇𝑇𝑇 𝐵𝐵𝐵𝐵𝐵𝐵𝐵𝐵) × ൬𝑀𝑀𝑀𝑀𝑀𝑀ℎ𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖 𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆
𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇 𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆
൰ 
The MBTA defined the “tax base” as “a taxpayer’s business income” subject to 
certain adjustments that are not relevant here.  MCL 208.1201(2) (emphasis added).  In 
turn, “business income” was defined as “that part of federal taxable income derived from 
business activity.”  MCL 208.1105(2).  Additionally, “[f]or a partnership or S corporation, 
business income include[d] payments and items of income and expense that are 
attributable to business activity of the partnership or S corporation and separately 
reported to the partners or shareholders.”  Id. (emphasis added).  “Business activity” was 
also a statutorily defined term that included  
transfer of legal or equitable title to . . . property, whether real, personal, or 
mixed, tangible or intangible, . . . with the object of gain, benefit, or 
advantage, whether direct or indirect, to the taxpayer or to others . . . .  
Although an activity of a taxpayer may be incidental to another or to other of 
his or her business activities, each activity shall be considered to be business 
engaged in within the meaning of this act.  [MCL 208.1105(1).]   
 
3 Of note, while Michigan adopted a single-factor “sales factor” as a multiplier in the 
MBTA, each state is free to choose how many factors go into its apportionment modifier.  
See, e.g., Moorman Mfg Co v Bair, 437 US 267; 98 S Ct 2340; 57 L Ed 2d 197 (1978) 
(discussing the differences between a single-factor multiplier in Iowa and a three-factor 
multiplier in Illinois); see also Trinova Corp v Dep’t of Treasury, 433 Mich 141, 151-152; 
445 NW2d 428 (1989) (Trinova I) (describing Michigan’s three-factor formula under its 
previous tax regime—the Single Business Tax Act).   
 
5 
 
The “sales factor” in the MBTA apportionment formula was “a fraction, the 
numerator of which is the total sales of the taxpayer in this state during the tax year and the 
denominator of which is the total sales of the taxpayer everywhere during the tax year.”  
MCL 208.1303(1).  “Sales” were defined as “the amounts received by the taxpayer as 
consideration from . . . [t]he transfer of title to, or possession of, property that is stock in 
trade or other property of a kind that would properly be included in the inventory of the 
taxpayer . . . .”  MCL 208.1115(1)(a) (emphasis added).  For service-based companies, like 
ML, “sales” also included the “performance of services that constitute business activities.”  
MCL 208.1115(1)(b).  In short, to determine the sales factor for a unitary business, sales 
of goods and services in Michigan were compared to total companywide sales of goods 
and services for the tax year.  MCL 208.1301(1); MCL 208.1303(1).   
The formula was “rebuttably presumed to fairly represent the business activity 
attributed to the taxpayer in this state . . . .”  MCL 208.1309(3).  However, if a taxpayer 
could demonstrate “that the business activity attributed to the taxpayer in this state [was] 
out of all appropriate proportion to the actual business activity transacted in this state and 
[led] to a grossly distorted result or would operate unconstitutionally to tax the 
extraterritorial activity of the taxpayer,” an alternative apportionment was mandated.  MCL 
208.1309(3).  An alternative method could only be used “if it [was] approved by the 
department.”  MCL 208.1309(2).   
The dispute in this case concerns whether the MBTA’s statutory tax liability 
formula controlled or whether the taxpayer has shown by clear and cogent evidence that 
an alternative apportionment formula, as allowed by MCL 208.1309, should have been 
used.  Vectren asserts that the statutory tax apportionment formula resulted in a tax liability 
 
6 
 
that was disproportionate to the business done in Michigan, leading to a grossly distorted 
result.  
B.  FACTS AND PROCEEDINGS 
The facts leading to this case are complex and unlikely to repeat.  Justice ZAHRA’s 
dissent decries our decision today as opening the door to the state engaging in highway 
robbery against taxpayers as soon as their toe crosses our borders.  A more reasonable view 
is that our decision today deals with a complex asset sale of a unitary business operation, a 
tax return filed by that business using a self-created formula directly contrary to the 
relevant statute, an audit which caught the use of the self-created formula, and the one-off 
ramifications when that asset sale coincided with large Michigan sales under a now-
replaced business tax. 
Vectren is the successor in interest to ML.  ML was an S corporation headquartered 
in Big Lake, Minnesota.  It engaged in the business of constructing, maintaining, and 
repairing gas pipelines and providing hazardous material cleanup response to leaks.  
Founded in 1966, ML grew to employ more than 600 employees and engaged in work in 
24 states, including Michigan.  By the mid-1990s, ML was wholly owned by two of the 
founder’s children.  In 2010, ML’s owners decided to sell the business.   
In July 2010, a break in Enbridge Inc.’s Line 6B pipeline resulted in a catastrophic 
spill of more than 1.1 million gallons of oil into the Kalamazoo River, Talmadge Creek, 
and surrounding wetlands.4  ML was hired to do the environmental cleanup work, which 
 
4 Matheny, Enbridge Hit with a $177M Bill for Michigan, Illinois Oil Spills, Detroit Free Press 
(July 20, 2016),  [https://perma.cc/MH9F-7KFP].   
 
7 
 
was massive in scope and still ongoing when ML sold all its tangible and intangible assets 
to Vectren for roughly $89 million in 2011.5  The sale price included $83.4 million in cash 
and $5.2 million in assumption of debt.  The assets purchased included $14.8 million of 
working capital; $34.4 million of property, plant, and equipment; $19.1 million of 
identifiable intangibles;6 and $20.3 million of implied goodwill.   
Given its operations in Michigan, ML filed a Michigan tax return for the period 
between January 1, 2011 and March 31, 2011, which is known as a “short-year” return.  In 
its tax return, ML included the sale of business assets in the “tax base.”  It also included 
the asset sale in the denominator of the sales-factor apportionment formula.  As a result, 
ML claimed a sales factor of 14.99%, which resulted in a Michigan-apportioned tax base 
of $8,186,266 and a tax assessment of a $405,220.17. 
In December 2014, Treasury initiated an audit for ML’s 2010 calendar year and the 
2011 short-year tax returns.  Treasury determined that ML’s 2011 short-year return was 
calculated incorrectly.  Specifically, Treasury found that ML’s inclusion of the ML-to-
Vectren asset-sale value in the sales-factor denominator was improper under MCL 
 
5 The sale from ML to Vectren on March 31, 2011, was structured as an asset sale—
including capital assets and intangible assets of receivables, retainages, cash, prepaid 
expenses, inventory, stock, and goodwill—under the Internal Revenue Code, 26 USC 
338(h)(10).  ML was the operative taxpayer during the relevant proceedings, but Vectren, 
as the purchasing entity, was responsible for the tax bill.  As a result, both ML and Vectren 
are discussed in this opinion, but ultimately Vectren is the responsible party and the 
plaintiff who filed this lawsuit. 
6 Vectren hired an accounting firm, KPMG International Limited, to prepare a valuation of 
the company during sale negotiations.  Per that report, this included $4,241,000 in trade 
name value, $14,588,000 in customer relationships, and a project backlog valued at 
$287,000. 
 
8 
 
208.1115 because the assets were not sold as part of the “stock in trade” of the company 
nor were the sold assets “property held by the taxpayer primarily for sale to customers in 
the ordinary course of the taxpayer’s trade or business.”7 
In other words, the sale of ML to Vectren was not the same thing as selling a product 
or service (such as oil spill cleanup or pipeline maintenance services).  Treasury determined 
that while the tax base should include the amount of the ML sale to Vectren, it was 
improper to include the sale of business assets in the sales factor.  Instead, Treasury 
determined that the sales factor should have been 69.9571%, the apportioned business 
income tax base should have been $38,316,659, and the tax owed should have been 
$2,926,765.07, including penalty and interest.  Treasury therefore issued a notice of intent 
to assess to ML.8    
After receiving the notice from Treasury, Vectren asked for an informal conference, 
requesting alternative apportionment for the short year due to its belief that all the receipts 
 
7 Inexplicably, Justice ZAHRA’s dissent repeatedly characterizes ML’s initial filing as 
“offering” a 15% apportionment as if taxes were gifts and not obligations.  ML did not 
“offer” to calculate its apportionment at 15% as a compromise or out of some sense of 
goodwill.  Rather, despite being a sophisticated entity with professional advisors, ML 
replaced the method for calculating the statutory apportionment formula with its own 
formula that made it appear as if it owed far less in taxes than it actually owed under the 
law.  ML only argued that the proper formula was unconstitutional after it was caught 
through the audit process three years later.  MCL 208.1309(1) allowed for a taxpayer to 
“petition for” the inclusion of separate accounting, inclusion of additional or alternative 
factors, or other alternative methods before filing its tax return.  ML never petitioned 
Treasury for any of the five alternatives Vectren proposes here.  Rather, ML got caught 
having miscalculated its liabilities and now seeks to justify its actions. 
8 Treasury issued Notice of Intent to Assess No. UO71593 to ML at its Big Lake, 
Minnesota, headquarters on April 20, 2016.  However, by that time, Vectren was the 
successor in interest to ML and ultimately responsible for the tax burden.  
 
9 
 
and income from the sale of its company should be considered as “sales” in the sales factor 
and exclusively allocated to Minnesota.  In the alternative, Vectren asked for the sale to be 
wholly excluded from the apportionment formula, including the tax base, given that the 
asset sale was not in ML’s regular course of business and was therefore not “business 
income.”  To include the sale-of-business income, it contended, meant that the tax was “out 
of all appropriate proportion” with the business actually transacted in Michigan and thus 
the tax violated Vectren’s due-process rights as well as the Commerce Clause by taxing 
money earned beyond Michigan’s taxing power.   
Treasury denied Vectren’s request.  It found: 
While you have provided detail on how the selling price was derived, you 
have not provided any evidence to the Department that the business activities 
in Michigan did not contribute to the gain realized or that the formula does 
not provide Michigan with an equitable allocation of income.  Further, 
including gain in the tax base is not an unusual fact situation or one that 
necessarily demonstrates that application of the statutory apportionment 
formula does not reflect [ML’s] business activity in Michigan. 
Consequently, Treasury determined that Vectren had not overcome the presumption that 
the statutory apportionment formula fairly represented what was then ML’s business 
activity in Michigan for the period at issue.  Soon after the denial, Treasury issued its final 
assessment for the short year, reaffirming that the amount owed with penalty and interest 
was $2,926,765.07. 
1.  VECTREN FILES THE PRESENT LAWSUIT 
After Treasury denied Vectren’s request for alternative apportionment, Vectren 
sued Treasury in the Court of Claims.  Its complaint contained four counts, summarized as 
follows:  
 
10 
 
I.  Treasury’s failure to include the gain from the sale of ML in the denominator of 
the sales factor resulted in a grossly distortive tax because the calculation did not fairly 
represent ML’s business activities in the state, violating the Due Process and Commerce 
Clauses of the federal Constitution;  
II.  In the alternative, the gain on the asset sale was nonoperational, nonrecurring, 
nonbusiness income that should be excluded from ML’s tax base, and if not excluded, the 
state violated the Due Process and Commerce Clauses of the federal Constitution;  
III.  Treasury unlawfully calculated ML’s tax base by including the gain on the sale 
of ML, and under the plain language of the MBTA, the sale of shareholders’ stock is not a 
business activity to be included in an S corporation’s tax base and federal method of 
accounting; and  
IV.  The penalty for untimeliness should be abated because the plaintiff timely paid 
the tax on the basis of reasonable interpretations of the MBTA. 
The Court of Claims granted Treasury’s motion for summary disposition, 
determining that the business income was properly subject to taxation under the MBTA 
and that alternative apportionment was not required.  The Court of Claims found that 
Vectren did not dispute that ML’s Michigan sales as defined by the statute made up 70% 
of its total sales for the short year in question.  Nor did Vectren argue that the formula was 
misapplied.  Rather, the crux of Vectren’s argument was that it did not agree with what 
was included in the tax base because it increased the total income subject to taxation.   
The Court of Claims also rejected Vectren’s arguments relating to the value of the 
goodwill that ML accrued at the time of ML’s sale to Vectren.  It noted that Vectren failed 
to cite any documentary evidence to support its assertion that none of the goodwill 
 
11 
 
accumulated over the 52-year history of ML could be attributed to the company’s business 
activities in Michigan.  The court disagreed with Vectren’s argument that because the 
imposed tax purports to tax the value of the goodwill that the company accumulated, it 
extended beyond the actual business activity that ML had conducted in Michigan.  Besides 
not meeting the clear and cogent evidence standard in support of its assertion regarding 
goodwill, the court explained that under the precedent of this Court and the United States 
Supreme Court, it is not a constitutional requirement that a state’s apportionment formula 
have surgical precision in identifying attributable income.    
2.  INITIAL APPEAL TO THE COURT OF APPEALS AND THIS COURT 
Vectren appealed the grant of summary disposition to the Court of Appeals.  In a 
published decision, the Court of Appeals reversed the Court of Claims’ opinion and held 
that an alternative formula was appropriate.  The Court of Appeals held that “this is an 
exceptional case in which the taxpayer has met its burden of providing clear and cogent 
evidence that the business activity attributed to it ‘is out of all appropriate proportion to the 
actual business activity transacted in this state and [has led] to a grossly distorted result.’ ”  
Vectren Infrastructure Servs Corp v Dep’t of Treasury, 331 Mich App 568, 583; 953 NW2d 
213 (2020) (Vectren I) (citation omitted), vacated 506 Mich 964 (2020).   
The Court of Appeals held that because applying the statutory formula meant that a 
higher percentage of ML’s income was subject to taxation in the 2011 short year 
(approximately 70%) than the 10-year average of the decade prior (approximately 7%), it 
did not “fairly represent” the business done in the state.  Vectren I, 331 Mich App at 577-
578, 583.  On the basis of that determination, the court held that the tax unconstitutionally 
 
12 
 
included income outside the scope of the business transacted in Michigan.  The panel did 
not address Vectren’s remaining allegations because it found the need to use an alternative 
formula dispositive.  Treasury moved for reconsideration, and the motion was denied.  
Treasury subsequently sought leave to appeal in this Court.   
This Court issued an order vacating the Court of Appeals opinion and remanding 
the case to the Court of Appeals for the limited purpose of addressing whether Treasury 
properly applied the apportionment formula.  Vectren Infrastructure Servs Corp v Dep’t of 
Treasury, 506 Mich 964 (2020). 
3.  PROCEEDINGS ON REMAND 
The Court of Appeals, in response to our remand order, in turn remanded the case 
to the Court of Claims for it to address Count I of Vectren’s complaint, which alleged that 
failure to include the sale-of-business amount in the denominator of the sales-factor 
formula improperly skewed its overall tax liability.  The Court of Claims again agreed with 
Treasury, holding that the asset sale at issue was not a “sale” as defined by MCL 
208.1115(1)(a) because “inventory” does not include assets beyond those sold in “the 
ordinary course of the taxpayer’s trade or business.”  Because the assets sold were not held 
out in the ordinary course of business for sale, the Court of Claims reasoned that it was 
improper to include the sale of the business’s tangible and intangible assets in the 
denominator of the sales factor.  Although the sale of ML to Vectren was “business 
activity” and thus was required to be included in the tax base, it was not a “sale” for 
purposes of calculating the sales factor, because that calculation only includes sales of 
products or services by a business in its ordinary course of business, and therefore should 
 
13 
 
not have been included in the denominator of the sales factor calculation.  Accordingly, the 
Court of Claims granted Treasury summary disposition as to Count I of Vectren’s 
complaint.   
Vectren once again appealed to the Court of Appeals, which issued a published 
opinion holding that the Court of Claims had correctly analyzed the relevant statutes and 
applied the apportionment formula.  Vectren Infrastructure Servs Corp v Dep’t of Treasury 
(On Remand), 339 Mich App 117, 124; 981 NW2d 116 (2021) (Vectren II).  However, the 
Court of Appeals adopted its original analysis regarding the constitutional defect present 
in applying the formula and concluded that Vectren was entitled to an alternative 
apportionment because applying the formula extended beyond the acceptable scope of 
Michigan’s taxing powers.  Id.  Finally, the Court of Appeals ordered that the parties work 
together to determine an alternative method of apportionment.  Id. 
Treasury again sought leave to appeal in this Court.  We granted oral argument on 
the application and ordered the parties to address 
(1) whether the taxpayer established by clear and cogent evidence that “the 
business activity attributed to it in this state ‘is out of all appropriate 
proportion to the actual business activity transacted in this state and leads to 
a grossly distorted result’ ” under MCL 208.1309(3) of the Michigan 
Business Tax Act, MCL 208.1101 et seq.; (2) whether application of the 
statutory formula in this case runs afoul of the Due Process and Commerce 
Clauses incorporated in the statute because it does not fairly determine the 
portion of income from the sale of a business attributed to in-state activities; 
and (3) whether remand for the parties to determine an alternate method of 
apportionment conflicts with MCL 208.1309(2), which vests exclusive 
authority to approve an alternate method of apportionment in the Department 
of Treasury.  [Vectren Infrastructure Servs Corp v Dep’t of Treasury, 509 
Mich 882, 882 (2022).] 
 
14 
 
II.  STANDARDS OF LAW 
A.  STANDARD OF REVIEW 
Agency interpretations of the statutes they are charged with implementing are 
generally given “respectful consideration” so long as they are consistent with the plain 
language of the statute.  In re Complaint of Rovas Against SBC Mich, 482 Mich 90, 93; 
754 NW2d 259 (2008).  However, we review a trial court’s grant of summary disposition 
de novo.  Maiden v Rozwood, 461 Mich 109, 118; 597 NW2d 817 (1999).  We also review 
questions of statutory interpretation and constitutional law de novo.  Fluor Enterprises, Inc 
v Dep’t of Treasury, 477 Mich 170, 174; 730 NW2d 722 (2007).   
B.  RELEVANT LEGAL CONSIDERATIONS 
A long-settled principle of tax law is that “the entire net income of a corporation, 
generated by interstate as well as intrastate activities, may be fairly apportioned among the 
States for tax purposes by formulas utilizing in-state aspects of interstate affairs.”  Exxon 
Corp v Wisconsin Dep’t of Revenue, 447 US 207, 219; 100 S Ct 2109; 65 L Ed 2d 66 
(1980) (quotation marks and citation omitted).  The Due Process Clause of the Fourteenth 
Amendment imposes two requirements on state taxation: a “minimal connection” or 
“nexus” between the interstate activities and the taxing state, and a “rational relationship 
between the income attributed to the State and the intrastate values of the enterprise.”  
Mobil Oil Corp v Comm’r of Taxes of Vermont, 445 US 425, 436-437; 100 S Ct 1223; 63 
L Ed 2d 510 (1980).  The major requirement for taxing multistate corporations using an 
apportionment formula is that it “must, under both the Due Process and Commerce Clauses, 
be fair.”  Container Corp of America v Franchise Tax Bd, 463 US 159, 169; 103 S Ct 2933; 
 
15 
 
77 L Ed 2d 545 (1983).  This requires that a formula have both “internal consistency” and 
“external consistency.”  Id.   
To be internally consistent, a formula must “result in no more than one hundred 
percent of the taxpayer’s business activity being taxed if all taxing jurisdictions employed 
the same formula.”  Trinova Corp v Dep’t of Treasury, 433 Mich 141, 158; 445 NW2d 428 
(1989) (Trinova I).  External consistency “requires that the choice of factors used in the 
formula ‘must actually reflect a reasonable sense of how the business activity is 
generated.’ ”  Id. (citation and brackets omitted).  When a taxpayer attacks “the tax base 
rather than the formula,” it “substantially narrows the issues before [the court].”  Mobil Oil 
Corp, 445 US at 434.  It limits the inquiry “to the question whether there is something 
about the character of income earned” from the sale of assets “that precludes, as a 
constitutional matter, state taxation of that income by the apportionment method.”  Id. at 
435.  Here, Vectren attacks both the inclusion of the ML-to-Vectren asset-sale income in 
the tax base and, in the alternative, the formula itself.  For that reason, we will address both 
challenges.   
As with most apportionment taxes, the MBTA stated that the statutory 
apportionment formula 
shall be rebuttably presumed to fairly represent the business activity 
attributed to the taxpayer in this state . . . unless it can be demonstrated that 
the business activity attributed to the taxpayer in this state is out of all 
appropriate proportion to the actual business activity transacted in this state 
and leads to a grossly distorted result or would operate unconstitutionally to 
tax the extraterritorial activity of the taxpayer.  [MCL 208.1309(3).] 
Significantly, the protesting taxpayer can only successfully challenge an apportionment 
finding with “clear and cogent” evidence.  See Trinova I, 433 Mich at 158.  Clear and 
 
16 
 
cogent evidence means “more than a preponderance of evidence . . . .  [T]he standard is 
much like ‘clear and convincing evidence.’ ”  McQueen v Black, 168 Mich App 641, 645 
n 2; 425 NW2d 203 (1988); see also Black’s Law Dictionary (11th ed), p 698 (“Evidence 
indicating that the thing to be proved is highly probable or reasonably certain.  This is a 
greater burden than preponderance of the evidence, the standard applied in most civil trials, 
but less than evidence beyond a reasonable doubt, the norm for criminal trials.”) (emphasis 
added).   
C.  SURVEY OF THE RELEVANT CASELAW 
The constitutionality of taxation of businesses that are located in more than one state 
has been debated for more than a century.  The United States Supreme Court has issued 
many opinions that have extensively analyzed the issue.  A survey of the applicable caselaw 
is necessary to understand our decision.   
In Underwood Typewriter Co v Chamberlain, 254 US 113; 41 S Ct 45; 65 L Ed 165 
(1920), the United States Supreme Court examined the appropriateness of a Connecticut 
business income tax.  The taxpayer was a Delaware corporation that engaged in the 
manufacture and sale of typewriters and had its main offices in New York.  The 
Connecticut business tax statute imposed a 2% tax on the “net income earned during the 
preceding year from business carried on within the state . . . .”  Id. at 117.  When a company 
was engaged in both intrastate and interstate commerce, the statute used a single-factor 
proportionality calculation—a comparison of the business’s in-state property against the 
total property—to apportion income.  Id. at 118.   
 
17 
 
Because Underwood Typewriter’s manufacturing facilities were primarily located 
in Connecticut, the state determined that 47% of its net income was subject to taxation by 
Connecticut, despite the fact that only 3.3% of its national revenue was generated in 
Connecticut.  Id. at 120.  In affirming the tax, the United States Supreme Court held that 
the taxes are “not obnoxious to the commerce clause merely because [they are] imposed 
upon property used in interstate commerce . . . .  That a tax measured by net profits is valid, 
although these profits may have been derived in part, or indeed mainly, from interstate 
commerce, is settled.”  Id.  The Supreme Court went on to hold that “profits of the 
corporation were largely earned by a series of transactions beginning with manufacture in 
Connecticut and ending with sale in other states.  In this it was typical of a large part of the 
manufacturing business conducted in the state.”  Id. at 120-121.   
In Bass, Ratcliff & Gretton, Ltd v State Tax Comm, 266 US 271, 277; 45 S Ct 82; 
69 L Ed 282 (1924), the United States Supreme Court addressed the constitutionality of a 
New York statute that imposed a 3% franchise tax on the net income of a corporation.  If 
the business engaged in interstate or foreign commerce, apportionment was determined “by 
[examining] the proportion which the aggregate value of specified classes of the assets of 
the corporation within the State bears to the aggregate value of all such classes of assets 
wherever located.”  Id. at 278.  These assets included tangible property, real property, bills, 
accounts receivable, and shares of stock in other corporations.  Id.  The tax was challenged 
by a British company that brewed and sold beer; the company’s manufacturing operations 
and a significant portion of its sales were in England, but the company had branch offices 
in New York and Chicago that had no net income in the challenged tax year.  Id. at 278-
279.  The Supreme Court upheld the net income tax in New York, which included foreign 
 
18 
 
income, because the company “carried on the unitary business of manufacturing and selling 
ale, in which its profits were earned by a series of transactions beginning with the 
manufacture in England and ending in sales in New York and other places[.]”  Id. at 282.  
Because “the process of manufacturing result[ed] in no profits until it end[ed] in 
sales . . . the State was justified in attributing to New York a just proportion of the profits 
earned by the Company from such unitary business.”  Id.  The Supreme Court also held 
that it was appropriate to include the intangible assets, such as accounts receivable and 
stock owned in other corporations, in its taxation formula.  Id. at 283.9   
In contrast, the United States Supreme Court invalidated North Carolina’s 
application of its business taxation scheme in Hans Rees’ Sons, Inc v North Carolina, 283 
US 123; 51 S Ct 385; 75 L Ed 879 (1931).  There, a New York company challenged North 
Carolina’s tax apportionment formula that attributed roughly 80% of the company’s 
income to the state for taxation purposes, even though during the relevant tax years “the 
average income [from] . . . the manufacturing and tanning operations within the State of 
North Carolina was seventeen per cent” and “did not in any event exceed 21.7 per cent.”  
Id. at 134 (quotation marks omitted).  The Court held that “with respect to the facts shown, 
 
9 See also Nat’l Leather Co v Massachusetts, 277 US 413, 423; 48 S Ct 534; 72 L Ed 935 
(1928) (upholding a Massachusetts tax imposed on the capital stock of two subsidiary 
corporations domiciled in Maine and finding that it was permissible for Massachusetts to 
tax the subsidiaries’ stock, regardless of the stock’s situs or commercial domicile, because 
the companies themselves transacted business within Massachusetts and were “employed 
by the petitioner in carrying on its business within Massachusetts”); Ford Motor Co v 
Beauchamp, 308 US 331, 334, 336; 60 S Ct 273; 84 L Ed 304 (1939) (upholding an 
allocation of taxable capital to Texas in excess of $23 million despite the taxpayer only 
having roughly $3 million in in-state assets because with “a unitary enterprise, property 
outside the state, when correlated in use with property within the state, necessarily affects 
the worth of the privilege within the state”).   
 
19 
 
the statutory method, as applied to appellant’s business for the years in question operated 
unreasonably and arbitrarily, in attributing to North Carolina a percentage of income out 
of all appropriate proportion to the business transacted . . . in that state.”  Id. at 135-136.   
California’s taxation of out-of-state transactions was upheld in Butler Bros v 
McColgan, 315 US 501; 62 S Ct 701; 86 L Ed 991 (1942).  That case dealt with a wholesale 
company that operated seven “distributing houses” in seven states, including California.  
Id. at 504.  The company challenged a California tax that apportioned roughly 8% of the 
company’s approximately $1.15 million profit to California because the California division 
of the company operated at a loss of almost $83,000.  Id. at 504-505.  The Supreme Court 
found that despite the internal accounting methods used, income generated from entirely 
out-of-state transactions by warehouses located in those states was still reachable by 
California.  Id. at 508.  This is because the business was unitary.  Id.  Thus, California was 
entitled to apportion the entire income of the company based on the relevant factors under 
its unitary business tax—despite the actual loss the company’s California division 
experienced.  
In Norfolk & W R Co v Missouri State Tax Comm, 390 US 317, 319; 88 S Ct 995; 
19 L Ed 2d 1201 (1968), the United States Supreme Court invalidated a Missouri ad 
valorem tax on Norfolk’s “rolling stock” of railcars.  The Missouri tax was calculated by 
determining the value of all rolling stock owned by the railroad, then multiplying it by an 
apportionment factor based on the miles of Missouri railroad compared to total national 
railroad.  Id. at 320-321.  Norfolk leased rolling stock and railroad from a smaller rail 
company (Wabash) that primarily operated in Missouri.  Id. at 319.  Prior to the lease, 
Norfolk did not operate in any meaningful way within Missouri and never moved its 
 
20 
 
existing rolling stock into the state, meaning that almost all its operations in the relevant 
tax years were based upon use of Wabash’s rolling stock.  Id.  However, because the statute 
assessed the entirety of Norfolk’s rolling stock to determine the tax base, its application 
led to a substantially higher tax assessment.  The Court noted that the “rigid application” 
of the statute led to a rolling stock assessment of $19,981,757.  Id. at 326.  However, that 
was more than double the previous year’s valuation; the only difference was the size of the 
company.   
Norfolk demonstrated by clear and cogent evidence that “it is chiefly a coal-carrying 
railroad, 70% of whose 1964 revenue was derived from coal traffic,” which “require[d] a 
great deal of specialized equipment, scarcely any of which ever enter[ed] Missouri.”  Id. at 
328.  It further established that the traffic density on the newly leased tracks was low when 
compared to the railway as a whole, and “it proved that the overwhelming majority of its 
rolling stock regularly present in Missouri was rolling stock it had leased 
from . . . Wabash.”  Id.  This evidence was sufficient to prove that the apportionment 
formula, as applied, was a gross exaggeration of Norfolk’s unitary business activity within 
the state. 
In Moorman Mfg Co v Bair, 437 US 267, 269; 98 S Ct 2340; 57 L Ed 2d 197 (1978), 
an Illinois corporation challenged Iowa’s business tax apportionment scheme.  The 
apportionment formula for income that was not “easily [geographically] identifiable” was 
a single-factor analysis comparing gross sales made within the state with total gross sales.  
Id. (quotation marks and citation omitted).  The United States Supreme Court held that “a 
single-factor formula is presumptively valid.”  Id. at 273.  The Court rejected Moorman’s 
argument that the tax was unconstitutional because a substantial portion of the income 
 
21 
 
attributed to Iowa was actually due to the company’s manufacturing operations in Illinois.  
Id. at 272.  The Court responded to Moorman’s claim that there was duplication in taxation 
by holding as follows:   
It is, of course, true that if Iowa had used Illinois’ three-factor formula, a risk 
of duplication in the figures computed by the two States might have been 
avoided.  But the same would be true had Illinois used the Iowa formula.  
Since the record does not reveal the sources of [Moorman]’s profits, its 
Commerce Clause claim cannot rest on the premise that profits earned in 
Illinois were included in its Iowa taxable income and therefore the Iowa 
formula was at fault for whatever overlap may have existed.  [Id. at 277.]   
The Court refused to “constitutionalize[]” the formulas used by the states because to do so 
would “require a policy decision based on political and economic considerations that vary 
from State to State.”  Id. at 279-280.   
In Mobil Oil Corp, 445 US at 427, the United States Supreme Court decided whether 
Vermont could impose its corporate income tax on dividend income of foreign subsidiaries 
doing business abroad that had no business activity within the state.10  Mobil’s business in 
Vermont was solely related to “wholesale and retail marketing of petroleum and related 
products” and had “no oil or gas production or refineries within the State.”  Id. at 428.  
Mobil argued that “taxation of the dividend receipts under Vermont’s corporate income tax 
violated the Due Process Clause of the Fourteenth Amendment, as well as the Interstate 
and Foreign Commerce Clause, . . . [and] that inclusion of the dividend income in its tax 
base . . . would not result in a ‘fair’ and ‘equitable’ apportionment . . . .”  Id. at 432.  The 
United States Supreme Court disagreed.   
 
10 These included subsidiaries incorporated and operating in states other than Vermont as 
well as foreign corporations doing business outside the United States.   
 
22 
 
Comparing it to cases in which taxpayers asked for a “geographical accounting” of 
profits, or cases in which companies operated in the United States and abroad, the Court 
reiterated that “the linchpin of apportionability in the field of state income taxation is the 
unitary-business principle.”  Id. at 438-439.  Specifically, the Court noted: 
[S]eparate accounting, while it purports to isolate portions of income 
received in various States, may fail to account for contributions to income 
resulting from functional integration, centralization of management, and 
economies of scale.  Because these factors of profitability arise from the 
operation of the business as a whole, it becomes misleading to characterize 
the income of the business as having a single identifiable “source.”  Although 
separate geographical accounting may be useful for internal auditing, for 
purposes of state taxation it is not constitutionally required.  [Id. at 438 
(citation omitted).]  
Thus, “what [Mobil Oil Corp] must show, in order to establish that its dividend 
income is not subject to an apportioned tax in Vermont, is that the income was earned in 
the course of activities unrelated to the sale of petroleum products in that State.”  Id. at 
439 (emphasis added).  The Supreme Court also found that the Vermont tax did not violate 
the Commerce Clause by “subject[ing] interstate business to a burden of duplicative 
taxation that an intrastate taxpayer would not bear.”  Id. at 443.  In doing so, the Supreme 
Court held that  
a fictionalized situs for intangible property sometimes has been invoked to 
avoid multiple taxation of ownership, [but] there is nothing talismanic about 
the concepts of “business situs” or “commercial domicile” that automatically 
renders those concepts applicable when taxation of income from intangibles 
is at issue. . . .  The Court also has recognized that “the reason for a single 
place of taxation no longer obtains” when the taxpayer’s activities with 
respect to the intangible property involve relations with more than one 
jurisdiction.  [Id. at 445, quoting Curry v McCanless, 307 US 357, 367; 59 S 
Ct 900; 83 L Ed 1339 (1939).]   
 
23 
 
Similarly, in Exxon Corp, 447 US 207, the United States Supreme Court affirmed 
Wisconsin’s ability to proportionally tax the entirety of Exxon Mobil’s profit.  Exxon was 
“a vertically integrated petroleum company” headquartered in Texas.  Id. at 210-211.  At 
the relevant time, the company was internally organized into various subparts, although 
these subparts were not separate subsidiaries; the subparts competed with each other for 
internal investment as well as with other companies operating in their respective fields.  Id. 
at 212.  This meant, for instance, that “[t]here was no requirement that [Exxon’s] crude oil 
go to its own refineries or that the refined products sold through marketing be produced 
from [Exxon’s] crude oil.”  Id.  “Marketing” was the only activity carried out in Wisconsin.   
Despite Exxon’s limited business in Wisconsin, the United States Supreme Court 
held that Wisconsin was entitled to include Exxon’s total income in the business tax base 
because it “has long been settled that ‘the entire net income of a corporation, generated by 
interstate as well as intrastate activities, may be fairly apportioned among the States for tax 
purposes by formulas utilizing in-state aspects of interstate affairs.’ ”  Id. at 219 (citation 
omitted).  This is because “[t]he ‘linchpin of apportionability’ . . . is the ‘unitary-business 
principle.’ ”  Id. at 223, quoting Mobil Oil Corp, 445 US at 439.  That is, “[i]f a company 
is a unitary business, then a State may apply an apportionment formula to the taxpayer’s 
total income in order to obtain a ‘rough approximation’ of the corporate income that is 
‘reasonably related to the activities conducted within the taxing State.’ ”  Exxon Corp, 447 
US at 223 (citation omitted).   
To exclude income from the formula, “the company must prove that ‘the income 
was earned in the course of activities unrelated to’ ” the unitary business engaged in within 
the state.  Id. (citation omitted).  Despite Exxon’s internal divisions, “it [was] nonetheless 
 
24 
 
true that this case involve[d] a highly integrated business which benefit[ed] from an 
umbrella of centralized management and controlled interaction.”  Id. at 224.  The mere fact 
that the business could distill certain income streams to geographical locations did “not 
alter the fact that such income [was] part of the unitary business of the interstate enterprise 
and [was] subject to fair apportionment among all States to which there [was] a sufficient 
nexus with the interstate activities of the business.”  Id. at 230. 
In ASARCO Inc v Idaho State Tax Comm, 458 US 307, 309-310, 330; 102 S Ct 
3103; 73 L Ed 2d 787 (1982), the United States Supreme Court held that an Idaho 
apportionment tax as applied to a mining company’s subsidiaries violated the Due Process 
Clause.  ASARCO was headquartered in New York, incorporated in New Jersey, and 
operated a silver mine in Idaho.  Id. at 309.  It had eleven subsidiaries.  Notably, six of the 
subsidiaries were part of ASARCO’s unitary business and thus were included in the Idaho 
tax calculation without contest by ASARCO.  Id. at 312-313.  The question before the 
Court was whether Idaho could include dividends, interest, and stock-sale profits from the 
remaining five out-of-state subsidiaries within its business tax calculation.  The United 
States Supreme Court, overturning the Idaho Supreme Court, found that the profits of the 
five subsidiaries could not be included in the apportionment calculation.  Id. at 315. 
Unlike other cases, ASARCO offered evidence that the five subsidiaries did not 
contribute to the unitary business.  Id. at 320-324.11  The United States Supreme Court 
 
11 Specifically, with respect to one subsidiary, even though ASARCO owned 51.5% of the 
stock, it entered into a management agreement with the other four shareholders greatly 
diluting its ability to control any of the corporate decisions of that company.  Id. at 321-322.  
Further, “[a]lthough ASARCO ha[d] the control potential to manage [another subsidiary due 
to 52.7% stock ownership], no claim [was] made that it ha[d] done so.”  Id. at 323.  Two 
 
 
25 
 
refused to hold that ASARCO’s “corporate purpose” (mining) was sufficient to create a 
unitary business between a parent and its subsidiaries.  Id. at 326-327 (emphasis omitted).  
Rather, because it was “plain that the five dividend-paying subsidiaries ‘add to the riches’ 
of ASARCO” but “are ‘discrete business enterprise[s]’ that—in ‘any business or economic 
sense’—have ‘nothing to do with the activities’ of ASARCO in Idaho,” there was “no 
‘rational relationship between the [dividend] income attributed to the State and the 
intrastate values of the enterprise.’ ”  Id. at 328 (citations omitted).   
In Container Corp, 463 US at 162-163, a Delaware corporation headquartered in 
Illinois challenged California’s franchise tax targeting income that was derived, in part, 
from subsidiaries operating in other countries.  After finding sufficient control between the 
Illinois parent company and its subsidiaries to consider them a unitary business, id. at 179-
180, the United States Supreme Court held that California’s three-factor business tax base 
calculation (comparing California sales, payroll, and property to companywide sales, 
payroll, and property) did not unduly inflate profits to increase the taxable base attributable 
to California, id. at 181-182.  The Court rejected Container Corp’s proposal to discount 
payroll because the foreign payrolls were substantially lower as “precisely the sort of 
formal geographical accounting whose basic theoretical weaknesses justify resort to 
formula apportionment in the first place.”  Id. at 181.  The Court also held that the 14% 
 
other subsidiaries in which ASARCO held a minority ownership position operated entirely 
independently of ASARCO and did not “seek[] direction or approval from ASARCO on 
operational or other management decisions.”  Id. at 323-324.  The same was true of the 
final subsidiary, which was majority-owned by foreign nationals and “operate[d] 
independently of” ASARCO.  Id. at 324 (quotation marks and citation omitted).   
 
 
26 
 
increase in tax liability the formula imposed was “a far cry from the more than 250% 
difference which led [the Court] to strike down the state tax in Hans Rees’ Sons, Inc., and 
a figure certainly within the substantial margin of error inherent in any method of 
attributing income among the components of a unitary business.”  Id. at 184. 
Turning to Michigan, in Trinova I, 433 Mich at 151-152, 167, we upheld Michigan’s 
now-repealed value added tax.  Trinova in that case sought an alternative accounting “on 
the ground that its apportioned 1980 compensation was approximately forty times greater 
than its actual Michigan compensation, and that its apportioned depreciation was 
approximately one thousand times greater than its actual Michigan depreciation.”  Id. at 
163.  Trinova I held: 
 [T]he test for fair apportionment is not whether a formula results in 
inadequate or even inaccurate apportionment.  The test is whether the use of 
a particular method of apportionment results in business activity being 
attributed to this state which is “out of all appropriate proportions” to the 
taxpayer’s intrastate business activity, or has “led to a grossly distorted 
result.”  [Id. at 160.]   
The Court further noted that “the constitution requires neither a perfect formula nor a 
perfect apportionment.”  Id. at 162.  The Court thus held that the resulting apportionment 
was not “out of all appropriate proportion” to the business conducted in Michigan.  Id. at 
163-164. 
In Trinova Corp v Mich Dep’t of Treasury, 498 US 358, 379; 111 S Ct 818; 112 L 
Ed 2d 884 (1991) (Trinova II), the United States Supreme Court affirmed this Court’s 
decision in Trinova I, holding that the factors Trinova sought to exclude from the 
apportionment formula were “with limited exception, out-of-state expenses.”  
Nevertheless, “[t]he same factors that prevent determination of the geographic location 
 
27 
 
where income is generated, factors such as functional integration, centralization of 
management, and economies of scale, make it impossible to determine the location of value 
added with exact precision.”  Id.  Trinova II rejected Trinova’s claim that the formula at 
issue lacked external fairness because Trinova failed to show that there was “no rational 
relationship between the tax base measure attributed to the State and the contribution of 
Michigan business activity to the entire value added process.”  Id. at 380.  Thus, the United 
States Supreme Court rejected Trinova’s efforts to exclude “sales” as a factor from the tax 
apportionment formula on the basis that while Michigan sales constituted 26.5892% of 
Trinova’s total sales, its Michigan payroll constituted only 0.2328% of its companywide 
payroll total and its Michigan property constituted only 0.0930% of its companywide 
property total.  Id. at 381.  Inclusion of all three factors resulted in a total Michigan 
apportionment rate of 8.9717%, as opposed to the 0.1629% proposed by Trinova in its two-
factor analysis.  Id. 
Most recently, the Maine Supreme Judicial Court addressed a situation similar to 
this case.  In State Tax Assessor v Kraft Foods Group, Inc, 235 A3d 837, 841; 2020 ME 
81 (2020), the court rejected Kraft’s argument that it was entitled to use an alternative 
apportionment calculation for its corporate income tax filing because of a giant one-time 
spike in income derived from the $3.7 billion sale of its North American frozen pizza 
business to Nestle.  Kraft failed to include the gross receipts from the frozen pizza 
transaction in its subsequent Maine income tax return based on an assertion that the 
“income was not taxable by Maine under either the Maine Constitution or the United States 
Constitution.”  Id.  Like Michigan, Maine also operated using a single “sales factor” for its 
unitary business tax apportionment calculation.  Id. at 843.  And like Vectren in this case, 
 
28 
 
Kraft argued that the multibillion-dollar frozen pizza business sale could not “ ‘be fairly 
represented by a single-sales factor formula determined in principal part by gross receipts 
from Kraft’s day-to-day food product sales.’ ”  Id. at 845. 
The court rejected Kraft’s argument, noting that “the sales factor is designed to 
attribute a taxpayer’s income to the jurisdictions in which its goods and services are 
consumed.”  Id. (cleaned up).  The court further noted that “[t]he fact that Kraft’s net 
income in 2010 was much greater than in previous years does not support the conclusion 
that the sales factor itself does not fairly represent the extent of the taxpayer’s business 
activity in Maine.”  Id. at 844  (cleaned up).  “The question is not whether the sales factor 
fairly represents the sales income; the question is whether the sales factor fairly represents 
the extent of Kraft’s business activity in Maine.”  Id. at 845.  As a result, the apportioned 
tax was upheld.  Id. at 853. 
III.  ANALYSIS 
A business’s income from the sale of assets is apportionable for business tax 
purposes even if the sale occurred in another state so long as the tax is assessed in a 
proportionate manner.  Moreover, the United States Supreme Court has clearly established 
that a party challenging a business tax on the basis that it is disproportionate has a heavy 
burden of showing by clear and cogent evidence that the apportionment formula attributed 
income “out of all appropriate proportion” to the business activity in Michigan or that it 
led to a “grossly distorted” result.  Vectren is unable to meet that burden—even construing 
the facts in the light most favorable to the company. 
 
29 
 
A.  THE INCOME AT ISSUE IS APPORTIONABLE UNDER THE STATUTE AND 
CONSTITUTION 
The first question in any multistate business tax apportionment dispute is whether 
the taxed entity is a unitary business, which then triggers the ability for states to tax under 
their individual business/corporate tax apportionment statutes.  There is no dispute that 
ML, at the time it filed its return in 2011, was a unitary business.  Nor is there any debate 
that ML had a substantial nexus with Michigan given its work in the state both with 
Consumers Energy and Enbridge.  Therefore, the first task for this Court is to determine 
whether the ML-to-Vectren asset-sale income must be included in the tax base and thus is 
subject to apportionment.  If the sale-of-business income is not apportionable and cannot 
be included in the tax base, that would prevent any formula—statutory or alternative—
from taxing the asset-sale income.   
1.  THE CONTESTED INCOME IS STATUTORILY APPORTIONABLE 
In order to determine whether the asset-sale income is apportionable, we must first 
determine whether the statute allows for the sale price of ML to be included in the tax base 
portion of the formula.  ML chose to treat the sale of its business to Vectren as a sale of 
assets under 26 USC 338(h)(10).  As a result, the sale of the business included both tangible 
and intangible assets.  The MBTA imposed a “business income tax on every taxpayer with 
business activity within this state” unless exempted by federal law (which is not relevant 
to this appeal).  MCL 208.1201(1).  As previously noted, the tax liability owed by a unitary 
business is calculated by multiplying the tax base and the sales factor.  
ML transferred “legal [and] equitable title” to its tangible and intangible property to 
Vectren “with the object of gain, benefit, or advantage . . . to the taxpayer or to others . . . .”  
 
30 
 
MCL 208.1105(1).  This constituted “business activity” under MCL 208.1105(1).  Further, 
as an S corporation, the sale to Vectren was income “attributable to business activity of 
the . . . S corporation and separately reported to the partners or shareholders.”  MCL 
208.1105(2).  Based upon these definitions, it is undeniable that the ML-to-Vectren asset 
sale falls squarely within the categories of “business activity” and “business income” 
defined by the MBTA.  Business income must be included in the tax base of the 
apportionment formula.  MCL 208.1201(2). 
Next, to calculate the sales factor, ML’s total sales in Michigan during the tax year 
must be compared to ML’s total sales “everywhere” during the tax year.  MCL 
208.1303(1).  For the sales-factor calculation, “sales” is defined as “stock in trade,” 
property that can be inventoried, and services sold.  MCL 208.1115(1)(a) and (b).  It does 
not include the sale of a company.  Therefore, while the asset-sale income generated from 
the sale of ML to Vectren is “business income” and includable in the tax base, it is 
inappropriate to include the asset sale in either the sales-factor numerator or denominator.  
Justice ZAHRA’s dissent spends significant time discussing the location of the physical 
assets of the company and payroll.  If these were included, it argues, the apportionment 
would be substantially lower.  This is perfectly true, and perhaps a three-factor formula 
would result in a lower tax in this instance.  But the Legislature chose a single-factor 
formula that is presumed valid and has been repeatedly upheld by the United States 
Supreme Court.  See, e.g., Underwood Typewriter Co, 254 US at 120 (applying a single-
factor property formula); Moorman Mfg Co, 437 US at 273 (“[W]e have repeatedly held 
that a single-factor formula is presumptively valid.”).  Our role is not to act as seven super-
 
31 
 
legislators and overrule the Legislature’s policy decisions.12  Because Vectren fails to show 
that the formula either was improperly calculated or unreasonably reflects the business 
transacted in the taxing year at issue, it must be upheld. 
2.  THERE ARE NO SPECIAL CONSTITUTIONAL PROTECTIONS THAT 
PROHIBIT INCLUDING BUSINESS SALE INCOME IN NET INCOME 
When a company “elect[s] to attack the tax base rather than the formula,” it 
“substantially narrows the issues before us.”  Mobil Oil Corp, 445 US at 434.  Given ML’s 
decision to attack the tax base in the MBTA’s apportionment formula, the next question 
the Court must answer is “whether there is something about the character of 
income . . . that precludes, as a constitutional matter, state taxation of that income by the 
apportionment method.”  Id. at 435.  We are bound by the weight of precedent and find no 
reason why ML’s business-asset-sale income is not part of the “entire net income of a 
corporation, generated by interstate as well as intrastate activities, [which] may be fairly 
apportioned among the States for tax purposes by formulas utilizing in-state aspects of 
interstate affairs.”  Exxon Corp, 447 US at 219 (quotation marks and citation omitted).   
Vectren and Justice ZAHRA’s dissent argue that ML’s sale price should not be 
included in the tax base because the value is attributable to tangible assets, intangible 
assets, and the goodwill accumulated primarily outside of Michigan.  But the “linchpin of 
apportionability in the field of state income taxation is the unitary-business principle.”  
 
12 Justice ZAHRA’s dissent also goes into extensive detail about the history of the 
company’s ownership, the location of the company’s headquarters, the location of the out-
of-state sale, and the location of the company’s workers and equipment.  These are all 
factors that exist in every unitary business taxation dispute.  They are irrelevant to the 
assessment of tax liability because a unitary business is just that—unitary.  The different 
parts and pieces are not picked apart for business taxation purposes. 
 
32 
 
Mobil Oil Corp, 445 US at 439.  To show that income is earned outside the stream of the 
unitary business, ML must show that the challenged income “was earned in the course of 
activities unrelated to” the business activities it carried on in Michigan.  Id. (emphasis 
added).  A lone contention that the income source is from out of state does not suffice.  See 
id. (“Bass, Ratcliff & Gretton forecloses the contention that the foreign source of 
the . . . income alone suffices for this purpose.”).  
Like Mobil Oil Corp, the United States Supreme Court in Exxon Corp affirmed a 
Wisconsin statute apportioning income from the entirety of the oil company’s operations.  
It did so even though only one “functional department” operated within the state, “[e]ach 
functional department was organized as a separate unit operating independently of the other 
operating segments,” the “departments were treated as separate investment centers by the 
company, and a profit was determined for each functional department.”  Exxon Corp, 447 
US at 212.  Despite these internal separations, Exxon, as a unitary business, did “not carr[y] 
its burden of showing that its functional departments are ‘discrete business enterprises’ 
whose income is beyond the apportionment statute of the State.”  Id. at 224; see also Ford 
Motor Co, 308 US at 336.   
Further, Mobil Oil Corp affirmed that taxation of intangible assets such as stock 
ownership and dividend income was appropriate, even if those intangible assets did not 
directly involve the taxing state.  The Court noted that “ ‘the reason for a single place of 
taxation no longer obtains’ when the taxpayer’s activities with respect to the intangible 
property involve relations with more than one jurisdiction.”  Mobil Oil Corp, 445 US at 
445, quoting Curry, 307 US at 367.   
 
33 
 
Kraft Foods Group, a Maine decision, is almost directly on point and engaged in 
the same analysis that we must do here.  There, as here, the taxpayer argued that Maine’s 
statutory single sales-factor apportionment formula could not fairly impute tax liability to 
Kraft in the face of an “ ‘unusual, non-recurring, and extraordinary’ ” one-time gain.  Kraft 
Foods Group, 235 A3d at 845.  The Maine court noted that even “assuming for the sake of 
argument that the income from the [frozen pizza] sale was generated primarily by unitary 
business activity that took place outside of Maine, . . . that still would not mean that the 
sales factor does not fairly represent Kraft’s unitary business activity within Maine.”  Id. 
at 846 (citation omitted).  The identical analysis applies to ML/Vectren in Michigan.  There 
is no evidence in the current record that demonstrates that the MBTA apportionment 
formula fails to represent ML’s full business activity in Michigan at the time of the sale. 
While taxpayers have successfully challenged business tax formulas as 
disproportionate, the record here stands in stark contrast to those cases.  In ASARCO, the 
appellant set forth clear and cogent evidence that the income from five subsidiaries it 
sought to exclude from its Idaho tax base was entirely generated in a different 
jurisdiction,13 was entirely unrelated to its primary and unitary business, and had nothing 
to do with ASARCO’s activities in Idaho.  ASARCO, 458 US at 316, 321-325, 327. 
Similarly, Norfolk held that the railroad appellant provided clear and cogent 
evidence that the apportioned tax base was incorrect when the railroad provided proof that 
the “specialized equipment” used in a majority of the rail system (1) was separate and 
 
13 Indeed, as noted in that opinion, there were six subsidiaries whose status as part of the 
“unitary business” of ASARCO was not challenged despite their location outside the taxing 
state.  ASARCO, 458 US at 313. 
 
34 
 
distinct, and not interchangeable with the railcars leased in the taxing state, and (2) almost 
never entered the state.  Norfolk, 390 US at 319, 321-322. 
What was true in ASARCO and Norfolk cannot be said for ML/Vectren.  There is no 
evidence that ML’s multistate business activities were carried out by independent 
subsidiaries or even autonomous internal divisions.  Vectren does not contend that the 
activities ML engaged in outside of Michigan to build its tangible assets, intangible assets, 
and goodwill were separate and distinct types of business wholly unrelated to the activities 
it engaged in within Michigan.  Nor does Vectren eschew control over the company 
decisions made anywhere in the 24 states in which ML operated.  Indeed, in its own 
briefing, ML notes that the success of the company was derived “from the family’s labor.” 
Justice ZAHRA’s dissent vehemently disagrees with the contention that the sale of 
assets outside of Michigan could contribute to the tax base for Michigan taxation.  Its 
argument boils down to the same points that were completely rejected in Mobil Oil Corp 
and Exxon Corp—that the alleged out-of-state nature of the activities which generated the 
income means that Michigan cannot include it in the tax base.  This argument has been 
foreclosed repeatedly by the United States Supreme Court, and we are bound to apply the 
caselaw.  See, e.g., Underwood Typewriter Co, 254 US at 120-121 (allowing Connecticut 
to tax sales made entirely out of state simply because “[t]he profits of the corporation were 
largely earned by a series of transactions beginning with manufacture in Connecticut and 
ending with sale in other states”); Bass, Ratcliff & Gretton, 266 US at 282 (allowing New 
York to include foreign sales in the taxable values because “the State was justified in 
attributing to New York a just proportion of the profits earned by the Company from such 
unitary business [carried on out of state]”); Ford Motor Co, 308 US at 334 (affirming a 
 
35 
 
Texas statute that allocated capital “as a base for taxation . . . in excess of $23,000,000” 
despite “[t]he value of all assets located in Texas [being] somewhat over $3,000,000”); 
Mobil Oil Corp, 445 US at 441, 445-446 (finding that “dividends from legally separate 
entities works no change in the underlying economic realities of a unitary business, and 
accordingly it ought not to affect the apportionability of income the parent receives”); 
Exxon Corp, 447 US at 212-213 (permitting Wisconsin to tax the income of Exxon’s 
exploration, production, and refining operations despite Exxon having no such operations 
in Wisconsin; the only activity carried out in Wisconsin was marketing).  Of particular 
note, in Butler Bros, California was permitted to tax an Illinois company’s profits from 
warehouses operating out of state.  Butler Bros, 315 US at 508.  The assets and sales at 
issue were definitively located out of state, and it was the profit on those—not the 
California sales—which drove the company’s overall profits.  Id. at 506.  Nevertheless, 
California was allowed to apply its apportionment formula to the total profit.  These cases 
definitively show that the proper legal test is not where the assets are physically located or 
where the company is domiciled for intangible assets but rather whether those assets play 
a part in the unitary business operations that subject the corporation to taxation in the taxing 
state in the first place.     
3.  THE INTANGIBLE ASSETS ARE TAXABLE 
Vectren additionally argues that ML’s value was tied to its trade name, goodwill, 
and customer relationships, all intangible assets unrelated to Michigan.  But this argument 
also misses the mark.  As an initial matter, the method for measuring intangible asset value 
uses a forward-looking analysis.  See Puca & Zyla, The Intangible Valuation Renaissance: 
 
36 
 
Five 
Methods, 
Enterprising 
Investor 
(January 
11, 
2019) 
 (accessed June 27, 2023) [https://perma.cc/9QQ2-YJ52] (describing the 
five most common “income approach” intangible asset valuation methods, which use 
forward-looking metrics).14  While past performance is an important part of the evaluation 
of future earning potential, it is not the sole consideration, as Vectren seems to suggest.   
As an example, in the era of digital retail, a number of prominent retail 
establishments that once posted massive sales and profits have gone bankrupt or shrunk to 
shadows of their former selves because of changing technology and shopping patterns.  A 
business interested in purchasing the trade name of such a retailer would consider both its 
past performance and its future potential for rebirth.  To argue—as Vectren does—that 
only those past actions out of state should be included in the intangible valuation is belied 
by the actual valuation process used when it purchased ML, the general rules of accounting, 
and common sense.   
This is especially true when Vectren asks us to consider the entire 52-year history 
of ML evenly and to focus on the decades in which it did no business in Michigan.  It is 
undoubtedly true that the company’s founder and his children worked hard to build the 
company over that time.  But where a company operated or whether it was reliable 45 years 
before its sale does not matter as much as the company’s scope and reliability immediately 
 
14 Even the report that KPMG prepared for Vectren in anticipation of the sale described the 
“Income Approach” to valuation as being “predicated upon the value of the future cash 
flows that an asset will generate over its economic life” and noted that the firm used the 
income approach to evaluate ML’s trade name, customer relationships, and backlog.   
 
37 
 
preceding the sale.15  Indeed, the “Offering Memorandum,” titled “Project Cadillac,”16 that 
was prepared to help ML attract buyers only provides data back to 2007.   
Further, the record before us shows connections between Michigan and ML both 
before the sale and as a potential future growth market.  The following is a nonexhaustive 
summary of relevant evidence in the record submitted to this Court: 
• The contract to clean up the Enbridge oil spill was ML’s “largest single contract 
ever performed in Michigan,” entered into in 2010 and continued throughout 
2012. 
• In the Vectren acquisition presentation, Consumers Energy, a Michigan utility 
company, was listed as a significant customer for ML, along with Northern 
Natural, Enbridge Energy, and Minnesota Pipe Line, which all operated in 
Michigan.  The importance of Consumers Energy was reiterated during the 
deposition of ML’s former co-owner.   
• The Vectren acquisition presentation identified Michigan as part of “[ML’s] 
current transmission territory.” 
• An audit report of the 2010 schedule of completed contracts included two 
recently completed “important” ML projects in Michigan: (1) “Marquette BL 
Replacement Project” and (2) “W Oakland and DeWitt Pipeline Project.” 
 
15 Moreover, the intangible assets would have logically increased in value on the basis of 
ML’s expansion into new markets.  Thus, evidence of prior inactivity in Michigan might 
actually make Michigan more valuable to ML, not less.  ML’s value increased after its 
extensive work in Michigan, and the contract here—beyond adding $70 million in cash 
flow—certainly helped generate more work both inside and outside the state.  The 
Michigan work demonstrated the company’s ability to work in emergency conditions and 
in all types of weather—strengths that it included in its Offering Memorandum.  Further, 
all income—whether based on sales of intangible assets or direct profit from standard 
business practices—relies, in part, on the past decisions of ML’s leadership. 
16 Notably, this title could be either an homage to the Detroit-based auto company or the 
French explorer Antoine de la Mothe Cadillac, who founded Fort Pontchartrain du Détroit.  
Either usage shows the importance of Michigan in marketing the sale of the business. 
 
38 
 
• The “Project Cadillac” memorandum identified its “[k]ey customers” as 
including Enbridge, Xcel Energy, Koch Pipeline Company LP, BP, and 
Northern Natural Gas.  These companies maintained a significant presence in 
Michigan.   
• The “Project Cadillac” memorandum specified that ML “also has substantial 
capabilities in other regions with an emphasis on expansion . . . [in] areas in the 
Great Lakes region,” that ML’s Illinois office was acting as a “beachhead” for 
obtaining work in Michigan, and that “[t]he Company plans to continue this 
strategy and is evaluating opening two additional locations that would better 
position it for work in the Great Lakes region . . . .” 
• The “Project Cadillac” memorandum reiterated the significant natural gas 
pipeline construction between Canada and the Great Lakes region.   
• The “Project Cadillac” memorandum stated that the “Antrim Shale formations 
are right in the Company’s geographic sweet spot” and included a map showing 
that the Antrim Shale formations are, almost entirely, within the state of 
Michigan.   
• The “Project Cadillac” memorandum specified that a pipe installation project in 
Michigan for “Customer C” in 2009 was one of ML’s “noteworthy pipeline 
construction projects.”  This same document noted that “Customer C” accounted 
for 18.3% of ML’s overall revenue in 2009—the third highest percentage of any 
customer in that year. 
The evidence shows that ML had a business presence in Michigan for many years before 
the sale to Vectren.  The record shows that Michigan remained a target for ML given ML’s 
existing customers and planned market growth at the time of the sale.   
Justice ZAHRA’s dissent argues that the ML marketing documents are virtually 
useless for our consideration because companies exaggerate information to make their 
assets appear more versatile or useful in generating profits.  Even assuming that is the case, 
the statements on asset versatility nevertheless play a role in the valuation of an asset.17  
 
17 Indeed, if statements by a seller on asset utility were revealed to be untrue, a buyer could 
have a cause of action against the seller for fraud in the inducement.   
 
39 
 
Further, we have no reason to believe that ML was dishonestly promoting itself nor any 
reason to disbelieve ML’s corporate documents stating that Michigan would play a 
potential role in its growth.  Justice ZAHRA’s dissent’s observation that, years later, the 
potential growth in Michigan did not occur is hindsight-quarterbacking.  The potential 
utility of the asset to the buyer is a key piece of the value of that asset, regardless of whether 
that value is eventually realized.18   
Like the Maine Supreme Judicial Court in Kraft, we fail to see any meaningful 
distinction between income from an asset sale and income from the regular course of 
business that would make it constitutionally unapportionable.  The fact that some of the 
sale price was related to intangible assets does nothing to change that analysis.  In Kraft, 
the brands included in the sale to Nestle included Tombstone Pizza Company, Jack’s 
Frozen Pizza, DiGiorno, and California Pizza Kitchen’s frozen pizza division.  Kraft, 235 
A3d at 840-841.  Certainly, a substantial part of the value in that sale was the trade names 
and goodwill associated with some of the largest frozen pizza brands in America.19  And 
yet the full value of the one-time multibillion-dollar frozen pizza sale was properly 
included in Maine’s business apportionment tax formula.  As stated in Kraft, the “fact that 
 
18 Justice ZAHRA’s dissent uses a distorted food truck analogy involving a food truck 
purchased in Michigan that the seller claims can be driven to New York, California, or 
Florida to illustrate its point, but this analogy misses the mark.  A food truck, operating 
solely within Michigan, would not be subject to taxation for an asset sale in a state in which 
it did no business because a food truck is fundamentally intrastate in nature, which is vastly 
different from the interstate conglomerate we deal with here.   
19 See Conway, Market Share of the Leading Frozen Pizza Brands in the United States in 
2017, Statista (January 2, 2023)  
(accessed 
June 
28, 
2023) 
[https://perma.cc/8DJH-KVP4]. 
 
40 
 
Kraft’s net income in 2010 was much greater than in previous years does not support the 
conclusion that the sales factor itself does not fairly represent the extent of the taxpayer’s 
business activity in Maine.”  Id. at 844 (cleaned up).  The facts here require the same result 
as to ML/Vectren under the MBTA. 
B.  THE APPORTIONMENT FORMULA DOES NOT VIOLATE THE 
CONSTITUTION 
Next, we must address whether Vectren has shown by clear and cogent evidence 
that the sales factor, as applied, appropriately captured the business activity of ML in 
Michigan during the 2011 short year.  The formula is “rebuttably presumed to fairly 
represent the business activity attributed to the taxpayer in this state, . . . unless it can be 
demonstrated that the business activity attributed to the taxpayer in this state is out of all 
appropriate proportion to the actual business activity transacted in this state and leads to a 
grossly distorted result or would operate unconstitutionally to tax the extraterritorial 
activity of the taxpayer.”  MCL 208.1309(3); see also Moorman Mfg Co, 437 US at 273 
(“[W]e have repeatedly held that a single-factor formula is presumptively valid.”).  In the 
present case, even viewing the evidence in the light most favorable to it, plaintiff has failed 
to show by clear and cogent evidence that the taxation formula includes income that is 
disproportionate to business transacted in Michigan or that the result is “grossly distorted.”  
Id. at 274; Container Corp, 463 US at 170. 
To satisfy the United States Constitution’s Due Process Clause, a state’s taxation 
scheme must show (1) “a ‘minimal connection’ or ‘nexus’ between the interstate activities 
and the taxing State” and (2) “ ‘a rational relationship between the income attributed to the 
State and the intrastate values of the enterprise.’ ”  Exxon Corp, 447 US at 219-220 (citation 
 
41 
 
omitted).  A tax satisfies the Commerce Clause when “[1] the tax is applied to an activity 
with a substantial nexus with the taxing State, [2] is fairly apportioned, [3] does not 
discriminate against interstate commerce, and [4] is fairly related to the services provided 
by the State.”  Amerada Hess Corp v Dir, Div of Taxation, New Jersey Dep’t of Treasury, 
490 US 66, 72; 109 S Ct 1617; 104 L Ed 2d 58 (1989) (quotation marks and citation 
omitted).20  The Due Process and Commerce Clause analyses largely overlap.  The United 
States Supreme Court has, for instance, often considered the two tests as being essentially 
the same.  See Container Corp, 463 US at 169 (“Such an apportionment formula must, 
under both the Due Process and Commerce Clauses, be fair.”).   
Fairness has been broken into two components, known as internal and external 
consistency.  Internal consistency requires that if the formula was “applied by every 
jurisdiction, it would result in no more than all of the unitary business income being taxed.”  
Id.  External consistency means that “the factor or factors used in the apportionment 
formula must actually reflect a reasonable sense of how income is generated.  The 
Constitution does not ‘invalidate an apportionment formula whenever it may result in 
taxation of some income that did not have its source in the taxing State.”  Id. at 169-170 
(cleaned up).   
 
20 A “substantial nexus” is also not a particularly high burden.  In Amerada, the United 
States Supreme Court held that there “can be no doubt that New Jersey has ‘a substantial 
nexus’ with the activities that generate appellants’ ‘entire net income,’ including oil 
production occurring entirely outside the State.  Each appellant’s New Jersey operations 
are part of an integrated ‘unitary business,’ which includes the appellant’s crude-oil 
production.”  Amerada, 490 US at 73 (citation omitted). 
 
42 
 
Here, the parties do not contest that ML has a substantial nexus with Michigan.  ML 
agrees that it owes at least “some Michigan tax” but disputes the amount and argues that 
application of the statutory formula results in a “grossly distorted” tax liability when 
compared to its actual business in Michigan.  ML set forth the total amount of its sales and 
its sales in Michigan from 2001 (approximately $19.6 million in total sales with $0 in 
Michigan) compared to 2010 (approximately $110.4 million in total sales with 
approximately $43.4 million in Michigan).  In the 2011 short year, apparently because the 
Enbridge contract was ongoing while the winter months generally meant decreased 
workflow for the company, almost 70% of the company’s sales were in Michigan.  This 
led to the 69.96% sales-factor calculation at issue here.   
ML does not contest the fact that 70% of its business in the relevant tax year was in 
Michigan.  Rather, it contends that before the 2011 short year, Michigan represented a 
smaller share of its overall business and that 2011 sales do not reasonably indicate “income 
attributed to the state” but “is in fact out of all appropriate proportions to the business 
transacted in [the] State . . . .”  Container Corp, 463 US at 170 (quotation marks and 
citation omitted).  The extensive caselaw set forth in this opinion says otherwise.   
1.  THE MBTA TEST DOES NOT VIOLATE DUE PROCESS 
a.  THE MBTA TEST IS INTERNALLY CONSISTENT 
To begin, we must determine whether the MBTA apportionment formula is 
internally consistent—that is, if every state employed Michigan’s test under the MBTA, 
would there be double taxation?  The answer is simple: no.  The MBTA imposed a sales-
only formula that attributed 70% of ML’s business activity—including the asset-sale 
income—to Michigan for the 2011 short year.  If every other state employed Michigan’s 
 
43 
 
test, the other jurisdictions in which ML operated would both (1) apportion the sale income 
and (2) divvy up the remaining 30% of sales and apply the same formula to the same tax 
base to calculate their apportioned share.  See, e.g., Trinova I, 433 Mich at 158 (“In this 
case, the apportionment provisions of the single business tax are internally consistent 
because no multiple taxation would result if every state were to adopt the act.  The business 
activity of any unitary business would be apportioned by each taxing jurisdiction using the 
identical method.”).  This is the benchmark of internal consistency, and it has been met.   
Justice ZAHRA’s dissent states that “it is very likely that the income derived from 
ML’s sale was subject to double taxation: once in Minnesota as a capital gain or pass-
through income to ML’s owners and twice in Michigan (and perhaps other states) as an 
asset sale to Vectren.”  As support, Justice ZAHRA’s dissent cites Vectren’s Court of 
Appeals brief, which states that the shareholders of ML paid federal and state taxes and 
that ML filed tax returns for the short year in multiple jurisdictions.  While the former 
owners of ML might have paid individual income taxes on the income generated from 
ML’s asset sale, and while ML might have included the capital gains in its short-year tax 
returns, “the constitutionality of a [Michigan] tax should not depend on the vagaries of 
[another state’s] tax policy.”  See Mobil, 445 US at 444.   
In Mobil, the plaintiff attempted to exclude dividend income from apportionment 
by Vermont because it argued that Vermont’s tax “subject[ed] interstate business to a 
burden of duplicative taxation that an intrastate taxpayer would not bear. . . .  [The plaintiff] 
contend[ed] that any apportioned tax on its dividends [would] place an undue burden on 
that specific source of income, because New York, the State of commercial domicile, has 
the power to tax dividend income without apportionment.”  Id. at 443-444.  Vectren and 
 
44 
 
Justice ZAHRA’s dissent appear to be making the same argument here: because the income 
from the asset sale may be taxable as income of the shareholders of an S corporation 
elsewhere, Michigan may not include it as “business activity.”  This approach would mean 
that any S corporation’s asset-sale income could be inherently unapportionable because the 
income is passed through to shareholders outside of Michigan as income and is also income 
from an asset sale.  This is precisely why the constitutionality of Michigan’s taxes does not 
rely on what other states do or do not tax, a principle recognized by the United States 
Supreme Court.21  
b.  THE MBTA TEST IS EXTERNALLY CONSISTENT 
In order for the MBTA apportionment formula to be externally consistent, “the 
choice of factors used in the formula must actually reflect a reasonable sense of how the 
business activity is generated.”  Id. (cleaned up).  ML generated income by contracting to 
service pipelines and conducting hazardous material cleanup services.  To establish that 
the MBTA test was externally inconsistent, Vectren had to show by clear and cogent 
evidence that the ML business activity attributed to Michigan was “in fact out of all 
 
21 See Moorman, 437 US at 276-278.  The Moorman Court rejected the appellant’s 
contention that taxation in Illinois and Iowa that might overlap was unconstitutional 
because “[i]t is, of course, true that if Iowa had used Illinois’ three-factor formula, a risk 
of duplication in the figures computed by the two States might have been avoided.  But the 
same would be true had Illinois used the Iowa formula.”  Id. at 277.  Further, “[t]he only 
conceivable constitutional basis for invalidating the Iowa statute would be that the 
Commerce Clause prohibits any overlap in the computation of taxable income by the 
States.  If the Constitution were read to mandate such precision in interstate taxation, the 
consequences would extend far beyond this particular case.  For some risk of duplicative 
taxation exists whenever the States in which a corporation does business do not follow 
identical rules for the division of income.  Accepting appellant’s view of the Constitution, 
therefore, would require extensive judicial lawmaking.”  Id. at 278. 
 
45 
 
appropriate proportions to the business transacted in that State or has led to a grossly 
distorted result.”  Container Corp, 463 US at 170 (cleaned up).  It has failed to do so. 
Vectren argues that removing the asset sale from the denominator of the sales factor 
results in a gross distortion of its true tax liability.  Including the asset sale in the 
denominator—which ML did in its tax filings for the 2011 short year—resulted in an 
apportionment of 14.99%.  After Treasury removed the asset sale from the denominator of 
the sales factor, that percentage increased to 69.96%.  This, ML argues, results in a gross 
distortion of its true tax liability.  Justice ZAHRA’s dissent goes further and uses a parade 
of statistics comparing the short-year percentage to historical averages.  But the calculation 
is not a gross distortion because the numbers used by ML and adopted by Justice ZAHRA’s 
dissent are based on a “baseline” that is entirely made up.  ML was never entitled to add 
the asset-sale income to the denominator of the sales factor without first obtaining 
permission from Treasury to pursue an alternative apportionment.  By doing so in the first 
instance, and seeking forgiveness instead of permission, ML has created an expectation 
that is devoid of any connection to its real liabilities.  Instead, the caselaw we have set forth 
in this opinion, which includes a century of jurisprudence from the United States Supreme 
Court, shows that taxing a company’s entire taxable base using a proportionality formula 
that accurately measures sales is appropriate and is not a gross distortion.22   
 
22 See Underwood Typewriter Co, 254 US at 120 (upholding a 47% allocation based on 
property ownership in the state of Connecticut, despite 3% of revenue coming from 
Connecticut); Bass, Ratcliff & Gretton, 266 US at 279-280 (affirming a New York 
apportionment of income to the state despite the entirety of the company’s profits being 
derived from foreign sources); Ford Motor Co, 308 US at 336-337 (holding that a tax “may 
be properly measured by capital wherever located” and that “[t]he weight, in determining 
the value of the intrastate privilege, given the property beyond the state boundaries is but 
 
 
46 
 
ML and Justice ZAHRA’s dissent further argue that removing the value of the asset 
sale from the denominator of the sales factor leads to gross distortion because, without it, 
the sales factor fails to adequately consider how the income was generated.  This is nothing 
more than a gripe about which factors are or are not included in the formula, and it is 
unpersuasive.  Whether a one- or three-factor test is used (or any other number of factors), 
litigants have consistently unsuccessfully argued exactly what ML argues here—that a 
different combination is required.23  Just as the courts in Moorman, Kraft, Container Corp, 
 
a recognition of the very real effect its existence has upon the value of the privilege granted 
within the taxing state”); Moorman Mfg Co v Bair, 254 NW2d 737, 740 (Iowa, 1977) 
(approving a 22.6% apportionment under a new single-factor analysis despite the fact that 
the prior three-factor analysis would have resulted in a 14.1% apportionment), aff’d 437 
US 267 (1978); Container Corp, 463 US at 184 (finding that a 14% discrepancy between 
the state’s apportionment method and the taxpayer’s proposed method was “a far cry from 
the more than 250% difference which led us to strike down the state tax in Hans Rees’ Sons 
Inc., and a figure certainly within the substantial margin of error inherent in any method 
of attributing income among the components of a unitary business”) (emphasis added); 
Trinova I, 433 Mich at 158 (“[T]he choice of factors used in the formula must actually 
reflect a reasonable sense of how the business activity is generated.”) (cleaned up), aff’d 
Trinova II, 498 US 358; Kraft, 235 A3d at 845-846 (noting that “[t]he question is not 
whether the sales factor fairly represents the [asset] sale income; the question is whether 
the sales factor fairly represents the extent of Kraft’s business activity in Maine. . . .  [E]ven 
if we were to assume that the sale was ‘extraordinary’ or ‘unusual’ . . . that would not 
support the conclusion that the sales factor does not fairly represent Kraft’s unitary business 
activity in Maine”).   
23 Compare Moorman Mfg Co, 437 US at 272 (holding that a sales-only single-factor 
formula did not improperly ignore out-of-state operations that “were responsible for some 
of the profits generated by sales in Iowa” and did not reach income “not in fact earned 
within the borders of the taxing State”), and Kraft, 235 A3d at 846 (“Even assuming for 
the sake of argument that the income from the [asset] sale was generated primarily by 
unitary business activity that took place outside of Maine, and assuming Kraft could prove 
that, that still would not mean that the sales factor does not fairly represent Kraft’s unitary 
business activity within Maine.”) (citation omitted), with Container Corp, 463 US at 181 
(discussing and rejecting Container Corp’s challenge that California’s three-factor formula 
overweighed certain aspects of its business), and Trinova II, 498 US at 382 (rejecting a 
 
 
47 
 
and Trinova II rejected these endless propositions of different proportionality factor 
combinations, so too do we.  Michigan chose a single-factor modifier based upon sales 
generated within the state.  Courts have routinely upheld the use of both a sales-factor 
modifier and other single-factor modifiers.  The same courts have also upheld the end result 
even when the difference using an alternative modifier would have resulted in a much lower 
tax bill.   
ML made its money by completing contracts for services that were performed in 
numerous states, including Michigan.  These are the “sales” that must be included in the 
sales-factor calculation under MCL 208.1115(1)(b).  The asset sale’s valuation—especially 
when considering intangible assets—is based on ML’s ability to complete these service 
sales skillfully, on time, and within budget.  Proportionality taxation formulas that consider 
a unitary business’s overall income or value are designed to provide a measure of intangible 
considerations when it is otherwise difficult to draw hard lines as to which state is 
responsible for the intangible value.  See, e.g., Mobil Oil Corp, 445 US at 438 (noting that 
centralized business functions arise from the operation of the business as a whole and that 
it is “misleading to characterize the income of the business as having a single identifiable 
‘source’ ”).  This is precisely the reason for formula apportionment.   
Major Michigan-oriented contracts, like those with “Customer C” and Enbridge, 
demonstrate that ML’s intangible value extends to Michigan.  To hold that the sales factor 
does not adequately represent “the factors related to the generation of that income” makes 
 
two-factor alternative apportionment in favor of Michigan’s three-factor formula regarding 
the former value added tax).   
 
48 
 
little sense when viewed alongside which factors generated that income—i.e., completing 
contracts like those at issue here.  As described in Part III(A)(3) of this opinion, intangible 
assets are valued on a forward-looking basis.  The evidence provided during litigation 
shows that Michigan played an important role in ML’s geographic portfolio and that the 
ML growth strategy relied on existing clients, including Consumers, Enbridge, and other 
companies with a strong Michigan presence.   
The nature of ML’s business was to contract for building or repairing pipelines.  
Justice ZAHRA’s dissent repeatedly notes that the Enbridge contract was an “emergency”—
but that is a red herring.  Although it is true that the contract was entered into quickly and 
the pipeline break posed an ecological and business emergency for Michigan and Enbridge, 
the contract appears, based on the record before us, to be for exactly what ML did best: 
repairing and maintaining petrochemical infrastructure (including during cold weather).  
Providing emergency services was part of ML’s unitary business operation.  Thus, when 
ML provided services during the relevant tax year in Michigan, Michigan was entitled to a 
share of the income generated from its sales in the ordinary course of business and its asset 
sale during that year.  See Kraft, 235 A3d at 844.  To find otherwise would mean that ML 
would receive more favorable tax treatment than others who sell goods or services in 
Michigan just because its unitary business operation provides emergency services.  The 
sales factor is related to Michigan-based considerations and did not unconstitutionally 
ignore factors relevant to the generation of the asset-sale value.24 
 
24 The cases that Justice ZAHRA’s dissent cites to show improper apportionment actually 
demonstrate the opposite or are inapposite.  In JD Adams Mfg Co v Storen, the “vice of the 
statute as applied to receipts from interstate sales [was] that the tax include[d] in its 
 
 
49 
 
Vectren’s other argument that the tax formula leads to grossly distorted results relies 
inappropriately on historical tax liability without a convincing explanation as to why the 
historical taxes paid by a company are relevant to a different year’s tax liability.  ML 
calculated its 2001 to 2010 average Michigan apportionment percentage at 6.782% and 
argues that the 70% figure is a tenfold increase of the prior 10-year average.  Vectren and 
Justice ZAHRA’s dissent rely on Hans Rees’ Sons for the proposition that historical tax 
information is a relevant consideration.  But this reliance is misplaced.   
 
measure, without apportionment, receipts derived from activities in interstate 
commerce[.]”  JD Adams Mfg Co v Storen, 304 US 307, 311; 58 S Ct 913; 82 L Ed 1365 
(1938) (emphasis added).  Similarly, in Gwin, White & Prince Inc v Henneford, 305 US 
434, 439; 59 S Ct 325; 83 L Ed 272 (1939), the Supreme Court found a tax that was 
“measured by the entire volume of the interstate commerce in which appellant participates, 
[and] is not apportioned to its activities within the state,” violated the Commerce Clause 
because “[i]f [one state] is free to exact such a tax, other states to which the commerce 
extends may, with equal right, lay a tax similarly measured for the privilege of conducting 
within their respective territorial limits the activities there which contribute to the service.”  
(Emphasis added.)  Thus, the problem in Henneford was also that the tax was an 
unapportioned gross receipts tax.  The tax here was an apportioned tax.  While Justice 
ZAHRA’s dissent disagrees with the factors used at the time to apportion in Michigan, that 
is a policy matter for the Legislature.  McGoldrick v Berwind-White Coal Mining Co, 309 
US 33; 60 S Ct 388; 84 L Ed 565 (1940), dealt with whether the city’s sales tax was a tax 
on sales made out of state and neither found a Commerce Clause violation nor dealt with 
an income tax.  Miller Bros Co v Maryland, 347 US 340; 74 S Ct 535; 98 L Ed 744 (1954), 
held that the state of Maryland could not compel a business in Delaware to collect taxes on 
its behalf.  This is not the issue before us.  American Trucking Associations, Inc v Scheiner, 
483 US 266; 107 S Ct 2829; 97 L Ed 2d 226 (1987), dealt with a Pennsylvania tax that 
clearly gave advantageous treatment to Pennsylvania companies.  This is also not an issue 
before us.  Minnesota v Blasius, 290 US 1; 54 S Ct 34; 78 L Ed 131 (1933), answered the 
question of how long personal property must be out of the stream of commerce before a 
state may impose a property tax on it.  In sum, none of these cases gets to the operative 
question we address here.  The cases that have addressed the issue in this case have 
uniformly held that a unitary business’s assets are subject to apportioned taxes regardless 
of their technical situs so long as they contribute to the unitary business at issue.  
 
50 
 
In Hans Rees’ Sons, the United States Supreme Court held that “for the [tax] years 
1923, 1924, 1925, and 1926, the average income having its source in the manufacturing 
and tanning operations within the state of North Carolina was 17 per cent.”  Hans Rees’ 
Sons, 283 US at 127 (quotation marks omitted).  Further, it “did not in any event exceed 
21.7 per cent” during those years.  Id. at 134.  This stood in stark contrast to the tax 
assessments of 83%, 85%, 66%, and 85% during those years.  Id. at 128.  Although Vectren 
is correct that the Court in Hans Rees’ Sons averaged the attributable income, it was not a 
historical average.  Rather, the Court examined work performed in the taxing state for the 
specific multiple tax years at issue and concluded that the states incorrectly measured that 
work.  Unlike in Hans Rees’ Sons, ML does not dispute that work was, in fact, occurring 
in Michigan during the 2011 short year.  Nor does it dispute that 70% of ML’s work was 
occurring in Michigan during that time period.  Rather, Vectren argues that ML’s prior tax 
history should inform our decision. 
It is true that in 2001 ML conducted no business in Michigan and that for much of 
the next 10 years it conducted small portions of its total business in Michigan.  However, 
the chart Vectren provided to support its claim that it should pay a lower 2011 tax given its 
minimal work in Michigan in prior years actually establishes the opposite conclusion.  The 
chart shows exponential growth in ML’s Michigan sales between 200725 and 2010, 
increasing from $957,516 (approximately 1% of overall sales) to $43,352,830 
 
25 2007 is the first year ML approached $100 million in total sales.  Comparing a $110 
million company at the time of sale (2010 to 2011) to a $19.6 million company (2001) is 
not helpful to our analysis.  2007 was also the first year that the “Project Cadillac” 
memorandum cited ML-specific data with respect to its financial reporting. 
 
51 
 
(approximately 40% of overall sales).  Neither the chart nor any of the evidence provided 
by ML shows any reason to believe that ML did any less business in Michigan in calendar 
year 2011 than it did in 2010. 
In rejecting the application of proportionality formulas and finding for the taxpayers 
in Hans Rees’ Sons and Norfolk, the United States Supreme Court relied on evidence 
clearly displaying that the actual income attributable to the taxing states during the relevant 
years was substantially lower than what the statutory formulas attributed to those states.  
Contrastingly, Vectren has not challenged Treasury’s tabulation of the amount of business 
conducted in Michigan in the relevant tax year.  Instead, Vectren relies on a faulty 
assumption that past taxes dictate future taxes under the MBTA.  Tax liability is a snapshot 
of the business transacted during a tax year, not a historical analysis. 
The tax year is “the calendar year, or the fiscal year ending during the calendar year, 
upon the basis of which the tax base of a taxpayer is computed under this act.  If a return 
is made for a fractional part of a year, tax year means the period for which the return is 
made.”  MCL 208.1117(4) (emphasis added).  If ML had done zero business in Michigan 
one year and 80% of its business in Michigan the next, the United States Constitution 
would not offer protection so that ML could avoid paying its proportional share of tax 
liability.  That is no less the case when ML jumped from a 40% sales-in-Michigan ratio in 
2010 to a 70% ratio in the 2011 short year.  Similarly, the fact that ML chose to sell its 
assets in March instead of November—when business may have been more spread across 
its various jurisdictions—does not dictate a different result.  A company’s internal business 
 
52 
 
decisions26 do not mandate differential tax treatment.  See Kraft, 235 A3d at 845 (“The 
question is not whether the sales factor fairly represents the sales income; the question is 
whether the sales factor fairly represents the extent of Kraft’s business activity in Maine.”).   
In contrast to Hans Rees’ Sons and Norfolk, Vectren has failed to provide clear and 
cogent evidence proving why or how the sales factor is a grossly disproportionate reflection 
of the business done during the tax year at issue in the state.  While Vectren contends that 
the unique nature of the ML contract with Enbridge created substantial business during the 
time of year normally considered to be an “off” season and that the sales factor is therefore 
disproportionate, this argument is unsupported by the evidence presented to this Court, 
which demonstrated ongoing future growth plans in Michigan as set forth in ML’s “Project 
Cadillac” memorandum.  Vectren presents no argument as to why ML’s good fortune to 
make substantial sales during a normally slow time of the year27 creates a constitutional 
problem for taxation purposes under the MBTA.  Undoubtedly, the high volume of work 
in Michigan was factored into the sale of its business assets to Vectren.  In short, ML was 
actively providing services in Michigan during the relevant 2011 time period, and 
Michigan only taxed a proportional amount of ML’s income based upon ML’s business 
 
26 The record indicates that ML was motivated to sell given one of its owner’s health 
concerns.  While this decision is certainly understandable, it does not obviate the 
constitutional power of the state to tax the business. 
27 Vectren’s claim that the ML–Enbridge contract was “unique” in that it created “off-
season” work is also belied by the quarterly revenue breakdown in the “Project Cadillac” 
memorandum, which shows that, although Q1 revenues are generally substantially lower 
than revenues in other quarters, in 2008, Q1 revenues were substantially similar to Q2 
revenues and higher than Q4 revenues.  Thus, although uncommon, this contract type was 
certainly not so unheard of or unique that it somehow must be constitutionally 
differentiated from the rest of ML’s revenue stream. 
 
53 
 
activity in Michigan.  Treasury’s tax assessment therefore does not violate the Due Process 
Clause. 
2.  THE MBTA TEST DOES NOT VIOLATE THE COMMERCE CLAUSE 
The Commerce Clause requires that a multistate business tax “is applied to an 
activity with a substantial nexus with the taxing State, is fairly apportioned, does not 
discriminate against interstate commerce, and is fairly related to the services provided by 
the State.”  Exxon Corp, 447 US at 227-228 (quotation marks and citation omitted).  Here, 
there is no dispute about the existence of a substantial nexus to Michigan, nor is there any 
claim that the tax discriminates against interstate commerce.  As discussed previously, the 
tax is fairly apportioned to Michigan given the services ML was providing in Michigan at 
the time.   
Additionally, the tax is related to services provided by the state, including “police 
and fire protection, the benefit of a trained work force, and the advantages of a civilized 
society.”  Id. at 228 (quotation marks and citation omitted).  ML relied on local union 
workforces hired from local chapters to do intrastate work, rented most of its equipment 
intrastate for use on Michigan projects, engaged in highly regulated work constructing and 
repairing pipelines, and performed hazardous material cleanup related to oil pipelines.  The 
ties between ML’s business and the services Michigan provided are clear.  
In Exxon Corp, the Exxon business division operating in Wisconsin turned no profit 
during the relevant tax years.  Id. at 213.  Nevertheless, Wisconsin was able to tax the entire 
net income of the corporation as statutorily apportioned.  Id. at 213-214.  The United States 
Supreme Court refused to engage in the geographical accounting requested by Exxon.  Id. 
 
54 
 
at 228-229.  The Court held that the Commerce Clause did not “require[] allocation of 
exploration and production income to the situs State rather than apportionment among the 
States” because “[a]s was the case with income from intangibles [in Mobil Oil Corp], there 
is nothing ‘talismanic’ about the concept of situs for income from exploration and 
production of crude oil and gas.”  Id. at 229.   
As in Exxon Corp and Mobil Oil Corp, this case involves a highly integrated unitary 
business.  Thus, even if we were to attribute the intangible and tangible asset-sale income 
to out-of-state business activities, “the income [still] bears relation to benefits and 
privileges conferred by several States.  These are the circumstances in which 
apportionment is ordinarily the accepted method.”  Exxon Corp, 447 US at 229 (quotation 
marks and citation omitted).  Vectren proposes the following alternative calculations: 
placing the ML-to-Vectren asset-sale proceeds in the denominator (total company sales) of 
the sales factor, as ML did when it filed its tax return; apportionment of the asset-sale 
proceeds based on tangible asset location; and attribution of the goodwill portion of the 
asset sale to the selling shareholders’ residence and ML’s headquarters.  These alternatives 
are, in essence, requests for a geographical accounting that the United States Supreme 
Court has rejected time and time again.   
Further, Vectren contends that Michigan treats intangible asset sales differently than 
other states and that commercial domicile is where intangibles should be claimed for 
accounting purposes.  However, “the constitutionality of [Michigan’s] tax should not 
depend on the vagaries of [another state’s] tax policy.”  Mobil Oil Corp, 445 US at 444.  
Moreover, although a fictionalized situs for intangible property is sometimes invoked to 
avoid multiple taxation, “there is nothing talismanic about the concepts of ‘business situs’ 
 
55 
 
or ‘commercial domicile’ that automatically renders those concepts applicable when 
taxation of income from intangibles is at issue.”  Id. at 445.  “[T]he reason for a single 
place of taxation no longer obtains when the taxpayer’s activities with respect to the 
intangible property involve relations with more than one jurisdiction.”  Id. (quotation marks 
and citation omitted).   
ML has presented no evidence to support the conclusion that the Commerce Clause 
requires Michigan to segregate the intangible asset values.  This is especially true when, as 
explained in Part III(A)(3) of this opinion, there are ties between Michigan and those 
values.  Given the substantial nexus between ML and Michigan and the fact that Michigan 
did not wholly tax out-of-state values, the MBTA statutory formula did not violate the 
Commerce Clause.28  
IV.  CONCLUSION 
We hold that Treasury properly included the income from the ML-to-Vectren asset 
sale in the tax base apportionment formula under the MBTA.  Neither the Due Process 
 
28 Because we find that Treasury acted within its taxing power, we need not decide whether 
it was appropriate for the Court of Appeals to remand this case to the Court of Claims “with 
directions to determine an appropriate alternative apportionment method if the parties are 
unable to agree on one.”  Vectren II, 339 Mich App at 124 (emphasis added).  While not 
necessary to resolving this dispute, we note that the separation of powers enunciated in our 
state Constitution, Const 1963, art 3, § 2, requires careful consideration of the distinction 
between an order that finds that another branch lacked authority to take an action and an 
order requiring specific action when the other branch has been delegated that responsibility.  
It is for the Legislature to determine procedures for alternative apportionment, which was 
delegated by statute to Treasury, an agency within the executive branch.  Thus, the 
Legislature entrusted the executive branch with that role, not the courts.  Additionally, we 
do not decide the appropriateness of penalties assessed in this matter because that is a 
matter for the Court of Claims to resolve on remand. 
 
56 
 
Clause nor the Commerce Clause has been violated in this matter.  We therefore reverse 
the Court of Appeals holding that Vectren has demonstrated by clear and cogent evidence 
that the statutory apportionment formula—which Vectren admits correctly denoted the 
percentage of ML sales in Michigan during the relevant time period—created a grossly 
disproportionate result when applied to the one-time asset sale.  We vacate the remainder 
of the Court of Appeals opinion and remand this case to the Court of Claims for further 
proceedings that are consistent with this opinion. 
We do not retain jurisdiction. 
 
 
Elizabeth M. Welch 
 
Richard H. Bernstein 
 
Megan K. Cavanagh 
 
Kyra H. Bolden 
 
S T A T E  O F  M I C H I G A N 
 
SUPREME COURT 
 
 
VECTREN INFRASTRUCTURE 
SERVICES CORP., successor in interest to 
MINNESOTA LIMITED, INC., 
 
 
Plaintiff-Appellee, 
 
 
v 
No. 163742 
 
DEPARTMENT OF TREASURY, 
 
 
 
Defendant-Appellant. 
 
 
 
ZAHRA, J. (dissenting). 
Will Rogers once keenly observed, “The difference between death and taxes is death 
doesn’t get worse every time Congress meets.”  And, with rare exception, federal, state, and 
local governments take more of their residents’ earnings with each passing year.  But nothing in 
Michigan’s tax code or the United States Constitution permits the grossly disproportionate 
money grab perpetrated on plaintiff by the Michigan Department of Treasury and sanctioned by 
a majority of this Court today.   
Minnesota Limited, Inc. (ML) built a large corporation with substantial assets, employees, 
and contracts, almost entirely in Minnesota and other Midwest states.  It did minimal business 
in Michigan.  After years of hard work and management, the owners sold the corporation in an 
asset sale.  Now, the Department of Treasury argues that Michigan can be attributed 70% of the 
company’s sale, allowing application of a tax over 10 times larger than standard attributions.1  
 
1 This opinion uses the terms “attribution” and “apportionment” interchangeably to reflect the 
amount of economic value assigned to and derived from a given jurisdiction. 
 
 
2 
 
In essence, the Department claims that the substantial majority of the assets and value 
attributable to plaintiff’s company is located in Michigan.  That is a grossly disproportionate tax 
distribution, which belies the economic value of plaintiff’s activities in Michigan.  To justify this 
valuation, the Department cuts into the tax year, carves out a three-month period of time, and 
attributes tax liability solely on the basis of a single economic factor: direct-to-consumer sales.  
But valuing direct-to-consumer sales for a highly limited period of time so that the state can tax, 
most predominantly, the asset sale of an entire out-of-state company creates a major distortion 
in tax apportionment.  
By turning a blind eye to the economic value of plaintiff’s operations in the state while 
applying a highly limited time reference, the Department failed to fairly attribute the tax to 
plaintiff’s activities in Michigan.  Instead of the apportionment used, the Department should 
have taken into account the massive asset sale in Minnesota, whether as part of the calculation 
of sales, or as part of a three-factor analysis that properly encapsulated the value of out-of-state 
assets.  If the United States Constitution’s prohibition on disproportionate taxation of out-of-
state activity is to retain viable force, this tax cannot withstand constitutional scrutiny.  If the 
Department’s tax apportionment is permitted, this state and others will continue to extend their 
reach further and further into out-of-state activities; it is hard to see how budget-strained state 
governments will keep their tax collectors at state boundaries.  States will compete for more and 
more dollars flowing outside their borders.  This will come at the cost of state sovereignty and 
the consistent and predictable administration of interstate commerce.   
The majority opinion endorses the Department’s tax apportionment.  While that may 
boost this state’s coffers in the short term, businesses going forward should remain vigilant when 
deciding whether and when to invest in Michigan.  If done at the wrong time, even minor forays 
 
 
3 
 
into Michigan could catch out-of-state corporations in a web of extensive tax liability for 
overwhelmingly out-of-state activities.  Despite having a statutory and constitutional obligation 
to avoid disproportionate taxation, Michigan tax authorities have proven to be unsympathetic.  
Without federal court intervention to limit such behavior, more consistent and aggressive tax 
assessments in this state and others are likely to be issued.  Because this result is not permitted 
by the Constitution, I dissent.  I would affirm the unanimous opinion of the Court of Appeals.  
I.  FACTUAL BACKGROUND AND RECORD SUPPORT FOR VECTREN’S CLAIMS 
This case comes to us on an appeal from cross-motions for summary disposition under 
MCR 2.116(C)(10).2  Given that the majority opinion directs the entry of summary disposition 
in favor of the Department of Treasury, the facts must be viewed in the light most favorable to 
plaintiff.3  All reasonable inferences from the record must be taken in favor of plaintiff.4  While 
this procedural posture is completely ignored in the majority opinion, it is nonetheless 
significant.5   
 
2 A party may request judgment under the rule if there is “no genuine issue as to any material 
fact.”  MCR 2.116(C)(10).  
3 Maiden v Rozwood, 461 Mich 109, 120; 597 NW2d 817 (1999).  
4 Bertrand v Alan Ford, Inc, 449 Mich 606, 618; 537 NW2d 185 (1995).   
5 The facts outlined in this dissenting opinion are established in the record and based on evidence 
presented by the plaintiff to the Department of Treasury and in the lower courts below.  Many 
of these facts are ignored in the majority opinion, and few—if any—are taken in the light most 
favorable to plaintiff.  This evidence was found in letters and correspondence between plaintiff’s 
counsel and the Department, interrogatory responses, and depositions of managers and experts.  
The record also includes a substantial collection of plaintiff’s historical financial records, 
accounting statements, and tax receipts; this record was thoroughly developed in the lower courts 
and provided to this Court with citations. 
 
 
4 
 
ML was a family-owned business that specialized in natural gas, oil, and other energy 
infrastructure.  Specifically, the company helped construct and repair pipelines to enable and 
facilitate distribution of vital fuels.  Reuben Leines, an entrepreneur from Minnesota, founded 
ML in Minnesota in 1966.  The company started its work in Minnesota, and expanded from there 
to neighboring Midwest states, specifically Wisconsin, Iowa, and North and South Dakota.  The 
company’s work in Michigan was limited, sporadic, and of overall low value to the company.  
Minimal work was done in Michigan year-to-year, and no significant contracts sufficient to 
provide a major source of income in any given year involved the Michigan market.  From 50% 
to 70% of the company’s sales from its founding up to the tax in question were in Minnesota, 
with residual sales being sourced to other Midwest states outside of Michigan.  From 2007 and 
2008, ML’s largest sale in its history occurred within the company’s historical market territory, 
totaling over $100 million in sales for a single contract in Minnesota. 
In 1998, Reuben Leines retired after decades of work.  Two of his children who lived and 
worked in Minnesota, Christopher Leines and Paulette Britzius, took over the company.  The 
two children managed the company and were the sole owners, splitting the shares 50/50.  ML 
remained a predominantly Minnesota-based company, but some of its sales continued to expand 
to other states.  Its reach to Michigan remained very limited.  Although the company worked in 
a limited capacity with Consumers Energy, the following chart shows a total valuation of sales 
occurring in the state of Michigan.  As can be observed, in line with the company’s tradition and 
financial history, ML had insignificant exposure to the Michigan market post-2000: 
 
 
 
 
5 
 
YEAR 
MICHIGAN SALES 
ALL SALES 
APPORTIONMENT 
TO MICHIGAN 
2001 
0 
$19,577,034 
0.0000 
2002 
0 
$25,255,248 
0.0000 
2003 
$522,713 
$38,328,523 
0.0137 
2004 
$1,428,969 
$42,391,279 
0.0337 
2005 
$1,101,714 
$46,556,704 
0.0222 
2006 
$1,011,461 
$48,270,114 
0.0210 
2007 
$957,516 
$99,876,379 
0.0096 
2008 
$3,341 
$155,164,472 
0.00002 
2009 
$22,420,0736 
$121,058,709 
0.1852 
By comparison, in 2009, at least 63% of ML’s revenue came from business occurring in 
Minnesota.  In 2007 and 2008, that number was 87% and 84%, respectively.7  
 
6 Vectren’s briefing before the Court included a typographical error for ML’s aggregate in-state 
sales for 2009.  However, the percentages underlying the in-state sales were taken from ML’s 
tax returns and other financial documents.  It was undisputed before this Court and the Court of 
Appeals that the percentages of sales attribution to Michigan listed in the above chart are fully 
accurate and complete.  The amount of sales occurring in Michigan in 2009, after adjustments 
for tax purposes and given the accepted percentages of in-state attribution, was $22,420,073.  
This is corroborated by multiple uncontradicted financial statements submitted by Vectren to the 
Court, which indicate $22 million in sales were derived from Consumers Energy in Michigan in 
2009.  Given that the in-state attribution rates are undisputed and correct, and the aggregate in-
state sales number for 2009 is corroborated with several other undisputed financial records, the 
correct in-state sales number is stated. 
7 Of note, ML contracted with Consumers Energy for a project in 2009.  In that year, a mere 18% 
of ML’s sales occurred in Michigan.  The identity of Consumers Energy can be confirmed by 
comparing the sales description of ML’s customers in a report prepared by Greene Holcomb & 
 
 
 
6 
 
ML’s assets, organization, and employment contracts were even more weighted toward 
its central location in Minnesota and the neighboring states.  The company’s central 
management, strategy, and structural oversight took place at its headquarters in Big Lake, 
Minnesota.  The buildings at Big Lake constituted 60,000 square feet of office space, 
warehouses, and construction facilities.  ML also owned 22 acres of undeveloped land that was 
adjacent to the headquarters, all of which were located around Minneapolis suburbs (40 miles 
outside of the city).  In addition, the company owned a 4,878 square foot facility on 3.75 acres 
in Bemidji, Minnesota; a 13,280 square foot facility on 4.5 acres in Superior, Wisconsin; and a 
4,800 square foot facility on 5.10 acres in Altamont, Illinois.  No permanent facilities or real 
properties were owned, leased, or operated in Michigan; no management centers were located in 
the state.  The Minnesota corporation owned 1,195 individual pieces of equipment, notably 
including 53 pipelayers and 57 excavators.  All of this equipment was stored and used as part of 
operations in Minnesota, at the company’s real property locations, or close to work sites in 
Minnesota and neighboring states.  Given the minimal amount of business in Michigan, none of 
the tangible property owned by ML was permanently located or stored in Michigan.  ML had 
contracts with 600 employees.  But it had no employees permanently assigned or placed in 
Michigan.  Thirty employees were assigned to management and administration, located at the 
company’s Minnesota headquarters and physical office locations, and 570 of the employees were 
on-the-ground labor.  The company negotiated and entered into collective bargaining agreements 
with the workforce, which was represented by two unions.    
 
Fisher LLC with the actual names of ML’s customers, included in the purchase agreement with 
Vectren.  The numbers therein match perfectly.   
 
 
7 
 
In the winter and spring of 2010, Christopher Leines and Paulette Britzius contemplated 
selling ML.  The owners hired an investment firm in Minneapolis, Greene Holcomb & Fisher 
LLC, to develop and produce a report on ML’s business and its financial metrics.  Considering 
ML’s customer base, experienced labor force and management team, and the value of its pipeline 
construction business, Vectren Infrastructure Services Corporation (Vectren) indicated an 
interest in buying ML.  Specifically, Vectren wanted to use the assets and value built by ML to 
expand into the natural gas and energy transportation market, which was growing larger with the 
extraction and development of the Marcellus, Utica, and Bakken shale formations in North and 
South Dakota, Ohio, Pennsylvania, and West Virginia.  Natural gas or other resource extraction 
from Michigan was not considered as part of Vectren’s decision to purchase ML.  In explaining 
Vectren’s choice to purchase ML, Vectren’s president, Douglas Banning Jr., provided 
uncontradicted testimony that Vectren “never even looked at a shale play in Michigan at all” 
when considering whether to purchase ML.  Any natural resource development in Michigan 
“didn’t really enter into our acquisition criteria as far as whether we wanted to acquire [ML] or 
not.”8  
 
8 This is highly unsurprising given the absence of meaningful shale deposits in Michigan: 
 
 
 
8 
 
Vectren was an Indiana corporation.  ML and Vectren retained counsel in Minnesota and 
Indiana respectively to review and negotiate the deal.  The parties relied upon a Minnesota 
banking agent to hold the transaction’s funds in escrow, they identified Minnesota courts as the 
mandated choice of venue in the case of disputes, and Minnesota law governed the agreement.   
In late July 2010, and while ML was courting a purchase agreement with Vectren, the 
Kalamazoo River oil spill occurred.  The spill, one of the largest inland spills in United States 
history, saw over 800,000 gallons of oil flow out of a broken pipeline and enter the Kalamazoo 
River near Marshall, Michigan.9  Reacting to this extraordinary event, the owner of the pipeline, 
 
  
U. S. 
Energy 
Information 
Administration, 
Natural 
Gas 
Explained 
 
(accessed July 17, 2023) [https://perma.cc/HVG8-WSB3]. 
9 See U. S. Environmental Protection Agency, FOSC Desk Report for the Enbridge Line 6b Oil 
Spill Marshall, Michigan (April 2016), p 89 (“The Enbridge Line 6B pipeline release of diluted 
bitumen into the Kalamazoo River downstream of Marshall is one of the largest freshwater oil 
spills in North American history.  The unprecedented scale of impact and massive quantity of 
oil released required the development and implementation of new approaches for detection and 
 
 
 
9 
 
Enbridge Energy Partners LLP (Enbridge), took emergency action and requested ML’s 
immediate services to respond and properly repair the pipeline.  ML and Enbridge entered into 
a service agreement within two weeks of the spill, and ML was on site in Michigan working on 
the pipeline by August 2010.10   
ML had no permanent or consistent footprint in Michigan, with no facilities, property, or 
employees placed in the state.  Accordingly, ML brought some equipment and a small number 
of full-time employees into Michigan.  However, instead of transporting equipment or 
reassigning their workforce, ML rented most of their equipment to use in the Enbridge spill 
response, and all but a minimal contingent of workers were taken from local union shops for the 
duration of the project.  ML asserted that they brought 5 pieces of equipment and 10 contracted 
employees into the state.  Affidavits and testimony from Christopher Leines, who managed ML 
during the project, support that conclusion, as does ML’s financial data.  As part of the contract 
with Enbridge, ML in 2010 incurred $10,715,793 in total costs.  Of the construction costs 
incurred by ML in 2009 and 2010, more than 45% were attributable to labor.  Specifically, 
$46,440,250 in costs were incurred in 2009 and $44,767,410 in 2010 (including labor, payroll 
taxes, and employee benefits).  ML’s attributed labor costs for the Enbridge contract, which 
would include both temporary labor for the Enbridge job as well as the minimal amount of 
permanent employees used in Michigan for the contract, were almost 10% of the company-wide 
cost of labor.  Further, ML provided property tax statements that indicated a total cash value of 
 
recovery.”), available at  (accessed July 17, 2023) [https://perma.cc/Z93R-ESJC]. 
10 For a discussion of Enbridge’s recent relationship with ML, which, like the rest of ML’s sales, 
was primarily located outside of Michigan, see note 81 of this opinion.   
 
 
10 
 
$803,389 was located in Michigan in December 2009, which decreased to $267,977.65 in 
December 2010, in the midst of ML’s Enbridge contract.  The property in Michigan included 4 
pipe handlers, 1 evacuator trailer, 3 push rollers, 2 pipe cradles, 5 pumps, lineup clamps, and 
counterweights, valued at $267,977.65.  After discussions with local tax authorities, in March 
2011, the estimated cash value for personal property was $148,637.  At the time of ML’s sale in 
March 2011, the book value of ML’s equipment was valued at $3,429,239 and a purchase price 
of $18,354,285.  Thus, the equipment ML attested to be in Michigan, documented by property 
tax statements, was between 1.4% and 8% of the total equipment owned by ML.  
The Enbridge deal was a historic contract for ML, as the spill was a historic environmental 
event.  The revenue produced in the Enbridge deal was the most ML had ever received in 
Michigan.  The deal also coincided with an increase in sales to Consumers Energy during 2010.11  
As explained earlier, before the Kalamazoo River oil spill, ML’s business in Michigan was 
sporadic, limited, and of insignificant value as compared to the rest of ML’s sales.  Nonetheless, 
even with this unexpected and immediate boost in revenue, the share of sales coming from 
Michigan in 2010 remained below 40%.  In 2010, ML completed $110,365,790 in sales, with 
$43,352,830 sourced to Michigan, resulting in an apportionment of 0.3928 for Michigan.  The 
margins earned on the deal were well in line with historical averages for ML.  In 2010 to 2011 
(the tax year at issue), ML’s gross profit margin from the Enbridge contract was 18.1%.  In 2007, 
2008, 2009, and 2010, ML’s overall gross profit margin was 20.3%, 19.3%, 16.1%, and 18.2%, 
respectively.  Under ML’s federal tax filing in 2011, ML’s gross profit margin remained within 
the same range, coming in at 17.1%.  
 
11 Revenue from Consumers Energy dropped from $22.2 million in 2009 to $17.8 in 2010, 
corresponding to the end of a pipeline contract in 2010.  
 
 
11 
 
The unique and emergency nature of the Enbridge contract produced distortions and 
unusual means of revenue collection.  ML’s business in pipeline construction and maintenance 
was substantially reduced and constrained in the winter months.  This is because digging, 
construction, and use of earth, which was fundamental to ML’s responsibilities, is limited when 
the ground is frozen in cold northern winters, especially in Minnesota, where most of ML’s 
revenue was derived.  However, ML possessed the capability to service customers in the winter, 
and Enbridge relied upon ML to do so.  Therefore, during this winter offseason, ML derived a 
substantial portion of its revenue from the Enbridge contract, over and above what was 
previously received in Michigan in the company’s 52-year history and far above the proportion 
of work if completed in ML’s summer high season.  It is undisputed that the substantial rise in 
sales sourced to Michigan during the 2011 winter offseason derived from the Enbridge 
contract.12  
ML’s sale to Vectren was completed on March 31, 2011, and the fundamental conflict 
under Michigan tax law between the 52-year history of the Leines family company and the 
extraordinary nature of the Enbridge contract began to come into view.  ML and Vectren 
 
12 The parties are apparently in agreement that substantially all the sales produced in the 2011 
short year in Michigan derived from the Enbridge contract.  See Plaintiff’s Supplemental Brief 
on Appeal (May 25, 2022), p 3; Defendant’s Supplemental Brief on Appeal (May 4, 2022), p 22 
(describing the parties’ “agreement” on the location of sales and the Enbridge contract); 
Defendant’s Court of Appeals Brief (March 8, 2019), p 37 (“But Vectren acknowledges the 
business activity [ML] had in Michigan—i.e., the Enbridge contract performed during the audit 
period.”).  This is well supported in the record.  At the time of ML’s sale, it had 16 active 
contracts, with Enbridge being the only contract of material value sourced to Michigan at the 
end of the short year.  The contract with Consumers Energy, the only other customer providing 
a notable amount of business in Michigan, concluded in 2010.  ML’s initial accounting attributed 
revenue of $13.3 million to the Enbridge contract during the short year.  This is in line with the 
total sales in Michigan during the 2011 short year, valued after adjustments and review from the 
Department at $14.7 million.   
 
 
12 
 
completed a stock sale but elected to classify the deal as an asset sale.  As part of the out-of-state 
deal, ML’s property, contracts, intellectual property, and business value accumulated through 
decades were transferred to Vectren.  In exchange, Vectren paid cash to ML, distributed directly 
to ML’s shareholders in Minnesota.  While initially the parties agreed upon a purchase price of 
$80 million, the ultimate value of the deal, considering added expenses and assumed debt, came 
to $88.6 million.  From that amount, $34.4 million was in tangible assets, out of which $18.4 
million was derived from equipment.  In addition, $3.7 million was associated with ML’s 
established contracts and placements with employees; $19.1 million was derived from other 
intangible assets such as trade names and consumer relationships; and $16.6 million was 
associated with goodwill.13     
Because ML sold the entirety of its company, it filed a final tax return as an independent 
business, both federally and in states around the country.  This was ML’s “short tax year” 
extending from January 2011 to March 2011.  To determine a company’s business tax liability 
in Michigan, a company must multiply its tax base, i.e., its business income, by a “sales factor,” 
which in essence is a percentage of (mostly) direct-to-consumer sales the company has within 
the state.14  Therefore, at a basic level, the equation for ML to calculate business taxes in 
 
13 The remainder was associated with working capital, which included financial accounts of cash 
and receivables owned and controlled by ML.  There is no dispute that ML reported and filed 
taxes in Michigan recognizing the revenue obtained from in-state contracts in the year they were 
earned.  Thus, Michigan fully taxed ML’s revenue from the Enbridge contract separately from 
working capital listings on the asset sale.  This revenue includes the in-state sales attributed in 
the short-year filing to the Enbridge contract.  See note 12 of this opinion.  There is no contention 
that the Department can tax cash or cash equivalents that are transferred in the process of 
corporate reorganization.  The financial accounts owned by ML and sold in the asset sale outside 
of Michigan are not considered in depth in the following analysis. 
14 There are several statutory provisions that establish this method of taxation.  MCL 208.1201(1) 
explains that the tax amount is determined by multiplying “the business income tax base, after 
 
 
 
13 
 
Michigan was: base corporate income x (sales in Michigan / total sales by the company) x 
0.0495.   
In filing a return for the short year, ML attempted to properly attribute taxation given the 
unusual nature of the winter tax season and a highly significant company event: the sale of 
substantially all the company.  ML included the gain on the company-wide asset sale in the tax 
base, making up $51 million out of $55 million, or around 93% of total income.15  However, ML 
attributed the sale to out-of-state economic activity.  Specifically, ML included the asset sale in 
 
allocation or apportionment to this state,” by “the rate of 4.95%.”  “The business income tax 
base means a taxpayer’s business income” subject to a few adjustments.  MCL 208.1201(2).  
Apportionment to the state is determined by “the sales factor.”  MCL 208.1301(2).  The sales 
factor is “a fraction, the numerator of which is the total sales of the taxpayer in this state during 
the tax year and the denominator of which is the total sales of the taxpayer everywhere during 
the tax year.”  MCL 208.1303(1).  Sales are defined under MCL 208.1115(1) and include the 
following categories: 
(a) The transfer of title to, or possession of, property that is stock in trade 
or other property of a kind that would properly be included in the inventory of the 
taxpayer if on hand at the close of the tax period or property held by the taxpayer 
primarily for sale to customers in the ordinary course of the taxpayer’s trade or 
business.  For intangible property, the amounts received shall be limited to any 
gain received from the disposition of that property. 
(b) The performance of services that constitute business activities. 
(c) The rental, lease, licensing, or use of tangible or intangible property, 
including interest, that constitutes business activity. 
(d) Any combination of business activities described in subdivisions (a), 
(b), and (c). 
(e) For taxpayers not engaged in any other business activities, sales include 
interest, dividends, and other income from investment assets and activities and 
from trading assets and activities. 
15 The exact amount of total direct-to-consumer sales included in the Department’s 
apportionment, $21,093,137, had an associated profit of $3,608,484.  
 
 
14 
 
the denominator of the sales factor, which took into account the extraordinarily high proportion 
of Michigan activities during the short year.16  It then calculated the sales factor, which, due to 
the offseason and the emergency contract in Michigan, resulted in a 14.986% attribution to the 
state.  This was over two times the average attribution of sales in the company’s modern, post-
2000 history, and was over four times the company’s attribution of sales to Michigan prior to 
the Enbridge contract.  As a result, ML paid Michigan over $400,000 in income taxes, almost 
entirely derived from ML’s company sale.   
Michigan’s Department of Treasury was not satisfied.  It opened an audit of Vectren over 
three years later, in December 2014.  In April 2016, the Department issued its assessment 
determination, which sought a substantial increase in the taxable value of ML’s asset sale.  
Specifically, the Department determined that none of the value of the asset sale could be 
 
16 I do not agree with the majority opinion that Vectren’s initial tax filing is worthy of special 
critique.  Although the Court of Appeals concluded that this calculation conflicted with 
Michigan’s default statutory computation of corporate tax apportionment, that was only after 
extensive litigation and multiple court opinions.  The Court of Appeals then correctly determined 
that the Department’s method of taxation was unconstitutional.  Even though Vectren was a 
“sophisticated entity,” there is no indication that their initial tax filing was made in bad faith or 
was patently unreasonable.  Without analyzing a complex statutory dispute that is not before this 
Court, it was abundantly fair for Vectren to believe that Michigan corporate tax statutes did not, 
as a default, mandate unconstitutional taxation, in that income from out-of-state sales of the 
company’s entire assets would be completely ignored in the apportionment formula and 70% of 
the company’s value would be attributed to Michigan.  See Vectren Infrastructure Servs Corp v 
Dep’t of Treasury, 509 Mich 882 (2022) (directing briefing on whether the Department’s 
proposed tax method was disproportionate or unconstitutional and whether remand to the agency 
to work with Vectren on an alternative apportionment was appropriate).  Despite having no 
briefing on the issue, it is hard to fault Vectren for interpreting Michigan’s tax statutes in a 
manner that complies with the United States Constitution.  Further, the parties agree that Vectren 
petitioned for an alternative method of apportionment, even if the Department or courts were to 
determine that Vectren’s analysis of the default statutory calculation was incorrect.  That is the 
issue before the Court.  There is no serious contention that if the Department’s proposed method 
of apportionment is unconstitutional, it cannot be applied.   
 
 
15 
 
considered as part of its sourcing of income.  However, the state could tax the entirety of ML’s 
asset sale as part of ML’s tax base, multiplying that number by a sales factor that excluded all 
revenue except for direct-to-consumer sales, i.e., the Enbridge contract.  ML had almost no 
income from direct-to-consumer sales in these offseason winter months outside the Enbridge 
contract.  Thus, the Department calculated a sales factor that attributed 69.9571% of ML’s global 
income to Michigan.  Given that almost all the income in the short year was derived from ML’s 
asset sale, the Department claimed 70% of the taxable value of ML as a company, as a whole.  
This represented over a 400% increase in attribution from the values ML calculated, which itself 
favored Michigan over pre-Enbridge sales periods, and which would have paid taxes to Michigan 
on 15% of the value of a company that was built, maintained, and located almost entirely in 
Minnesota.  The Department’s calculations constituted over a 900% increase from attribution of 
the company’s recent average sales history and a 2,100% increase from the company’s post-
2000 sales history, prior to the Enbridge contract.  In addition to the tax attribution, the 
Department charged interest and fined ML.  Given that ML was no longer a separate corporation 
and Vectren purchased ML’s stock (although not in tax election), Vectren, ironically the buyer 
in the sale of ML, was ML’s successor in interest and was required to pay taxes, penalties, and 
interest totaling $3,407,337.36.    
Michigan statutes allow taxpayers to file a petition and request that the Department apply 
an alternative apportionment of taxes.17  Vectren petitioned for an alternative apportionment, 
 
17 MCL 208.1309(3) explains that: 
The apportionment provisions [under Michigan’s business tax code] shall be 
rebuttably presumed to fairly represent the business activity attributed to the 
taxpayer in this state, taken as a whole and without a separate examination of the 
specific elements of either tax base unless it can be demonstrated that the business 
 
 
 
16 
 
explaining that the Department’s calculations were grossly disproportionate and could represent 
unconstitutional taxation.  In so doing, Vectren cited ML’s sales and financial history, its asset 
locations and company characteristics, and detailed business and accounting reports prepared by 
Greene Holcomb & Fisher LLC, who was ML’s selling agent in Minnesota, and KPMG in 
Chicago.  Vectren also pointed to the extensive tax receipt documents in the Department’s 
possession as Michigan’s taxing authority.  The tax receipts described and provided data on the 
location of ML’s business activities, specifically the amount of sales and income derived 
nationally and from Michigan in prior years.  The documents also included ML’s payroll 
submissions and deductions for asset depreciation in Michigan.  Nonetheless, the Department 
declined Vectren’s request for alternative apportionment and issued a final assessment of 
taxation in March 2017.   
In April 2017, Vectren brought a declaratory-judgment action against the Department in 
the Court of Claims.  Vectren alleged that the Department failed to accurately calculate ML’s 
tax liability under Michigan statutory law and the United States Constitution.  After a period of 
discovery, in which depositions and a substantial record of ML’s business operations were 
developed, the parties filed cross-motions for summary disposition under MCR 2.116(C)(10) for 
lack of a genuine issue of material fact.  The Court of Claims granted summary disposition in 
favor of the Department.  In a unanimous opinion, the Court of Appeals reversed, concluding 
that the proposed tax was unconstitutional and under Michigan corporate statutes, the 
 
activity attributed to the taxpayer in this state is out of all appropriate proportion to 
the actual business activity transacted in this state and leads to a grossly distorted 
result or would operate unconstitutionally to tax the extraterritorial activity of the 
taxpayer. 
 
 
17 
 
Department was required to adopt an alternative method of calculation.18  The Court of Appeals 
directed that judgment be entered in favor of Vectren and remanded the case for the Department 
to determine an alternative method.19   
The Department sought leave to appeal in this Court, and we vacated the Court of Appeals 
decision and remanded the case to the Court of Appeals to address whether the Department had 
initially calculated the tax properly under Michigan’s corporate tax code.20  Specifically, the 
Court remanded on the issue of whether ML’s asset sale was properly excluded from the sales 
factor calculation.  On remand, the Court of Appeals confirmed that the Department’s proposed 
taxation was permissible as a default method of taxation under Michigan statutory law but 
reiterated that the Department is statutorily required to apply an alternative method of taxation 
if the tax is disproportionate or unconstitutional.21  The Court of Appeals readopted its initial 
analysis that the tax was disproportionate and unconstitutional, reversed the Court of Claims, 
and remanded the case for an alternative assessment.22   
The Department again sought leave to appeal in this Court, and we ordered oral argument 
on the Department’s application.    
 
18 Vectren Infrastructure Servs Corp v Dep’t of Treasury, 331 Mich App 568, 583-586; 953 
NW2d 213 (2020), vacated 506 Mich 964 (2020).   
19 Id. at 586. 
20 Vectren Infrastructure Servs Corp v Dep’t of Treasury, 506 Mich 964 (2020).   
21 Vectren Infrastructure Servs Corp v Dep’t of Treasury (On Remand), 339 Mich App 117, 124; 
981 NW2d 116 (2021).   
22 Id. 
 
 
18 
 
II.  ANALYSIS 
The question presented to the Court is whether the business activity attributed to ML in 
Michigan for the short tax year from January 2011 to March 2011 is “out of all appropriate 
proportion to the actual business activity transacted in this state and leads to a grossly distorted 
result or would operate unconstitutionally to tax the extraterritorial activity of the taxpayer.”23  
On the record before the Court, I conclude that the Department’s extraordinary upward 
assessment of ML’s taxable income was unconstitutional and disproportionate.  ML offered to 
attribute to Michigan 15% of a company-wide asset sale that had little to nothing to do with this 
state, solely on the basis of ML’s choice to temporarily assist in the response to an environmental 
crisis in the state.  The initial calculation provided by ML to the Department was abundantly 
reasonable, and in fact, more precise calculations of economic value would have produced 
attributions far lower than what ML initially offered.  The Court of Appeals provided a thorough 
and convincing analysis, and its decision should be affirmed.   
A.  STANDARD OF REVIEW  
This case comes to us on appeal from cross-motions for summary disposition under MCR 
2.116(C)(10).  Under that standard, summary disposition is warranted if there is no “genuine 
issue as to any material fact.”24  The Court must review the record and take “all legitimate 
 
23 MCL 208.1309(3). 
24 MCR 2.116(C)(10). 
 
 
19 
 
inferences in the light most favorable to the nonmoving party.”25  If the evidence presents no 
genuine issue of fact, “the moving party is entitled to judgment as a matter of law.”26  
B.  THE DUE PROCESS CLAUSE, THE COMMERCE CLAUSE, AND OUT-OF-STATE 
ECONOMIC ACTIVITY  
Much of the constitutional jurisprudence on interstate taxation derives from the birth and 
development of the modern corporation, which has yielded economies of scale, inter-department 
specialization, and integration of a diverse array of economic tasks and assets.  While this has 
produced unprecedented value for the companies themselves, and the country as a whole, it has 
also proved to be a substantial challenge for local and state taxing authorities.  The actual value 
of property located within a specific jurisdiction could be minimal, yet that same property could 
play an indispensable part for a larger unified business operation.  For example, the Supreme 
Court of the United States observed that rail lines passing through a state to deliver goods, 
services, or people to a different destination were on their own “of little value.”27  However, the 
railroad operation, as a whole, had “an interest much more important than it has in the limited 
part of it lying” in metal lines on property.28  Thus, the Supreme Court sanctioned the use of 
“unitary business taxation,” otherwise called the “unitary business principle.”29   A state through 
 
25 Coblentz v Novi, 475 Mich 558, 567-568; 719 NW2d 73 (2006).  
26 Maiden, 461 Mich at 120.  
27 Taylor v Secor, 92 US 575, 608; 23 L Ed 663 (1875).   
28 Id.  
29 MeadWestvaco Corp v Illinois Dep’t of Revenue, 553 US 16, 25; 128 S Ct 1498; 170 L Ed 2d 
404 (2008) (“[W]e have developed the unitary business principle” in which “a State need not 
isolate the intrastate income-producing activities from the rest of the business but may tax an 
apportioned sum of the corporation’s multistate business if the business is unitary.”) (quotation 
marks and citation omitted). 
 
 
20 
 
which the rail line ran could apply a tax by calculating the portion of a rail line that ran through 
the state and thereafter apportioning the value of the rail line, as a whole, based on that 
percentage of rail line that was placed in the state.  The state thereby reasonably calculated the 
value of in-state activity of a consolidated multistate enterprise for purposes of in-state 
taxation.30   
The Supreme Court has resisted invalidating under the Constitution state laws that 
regulate in-state activities and have remote and indirect effects on out-of-state activities.31  Such 
a strict constitutional standard would largely result in courts overriding policy choices of local 
jurisdictions.  Nonetheless, the Supreme Court has long made clear that borders matter.  
Constitutional principles drawn from due process and the Commerce Clause support the notion 
that states cannot regulate, control, or otherwise make illegal actions or behavior that occur 
 
30 Taylor, 92 US at 608 (“It may well be doubted whether any better mode of determining the 
value of that portion of the track within any one county has been devised than to ascertain the 
value of the whole road, and apportion the value within the county by its relative length to the 
whole.”); Adams Express Co v Ohio State Auditor, 165 US 194, 220; 17 S Ct 305; 41 L Ed 683 
(1897) (“As to railroad, telegraph, and sleeping-car companies, engaged in interstate commerce, 
it has often been held by this court that their property, in the several states through which their 
lines or business extended, might be valued as a unit for the purposes of taxation, taking into 
consideration the uses to which it was put, and all the elements making up aggregate value, and 
that a proportion of the whole, fairly and properly ascertained, might be taxed by the particular 
state, without violating any federal restriction.”); MeadWestvaco, 553 US at 30 (describing the 
“ ‘hallmarks’ of a unitary relationship as functional integration, centralized management, and 
economies of scale”).  
31 See Nat’l Pork Producers Council v Ross, 598 US ___, ___; 143 S Ct 1142, 1149-1150; 215 
L Ed 2d 336 (2023) (holding that a state law regulating products sold inside the state was not 
unconstitutional and rejecting a per se rule against in-state laws that affect out-of-state economic 
behaviors).  
 
 
21 
 
wholly outside of the state.32  This rule protects individuals from shifting and competing laws, 
provides consistency and predictability in out-of-state activities, and preempts reprisals and 
capricious government behavior.33  It also protects states’ independent sovereignty and the 
 
32 Id. at ___; 143 S Ct at 1156 (“In rejecting petitioners’ ‘almost per se’ theory we do not mean 
to trivialize the role territory and sovereign boundaries play in our federal system.”); Healy v 
Beer Institute, Inc, 491 US 324, 336; 109 S Ct 2491; 105 L Ed 2d 275 (1989) (holding that states 
are precluded from applying “ ‘a state statute to commerce that takes place wholly outside of the 
State’s borders’ ”), quoting Edgar v MITE Corp, 457 US 624, 642-643; 102 S Ct 2629; 73 L Ed 
2d 269 (1982); Pike v Bruce Church, 397 US 137, 142; 90 S Ct 844; 25 L Ed 2d 174 (1970) 
(holding, when reviewing a state statute that affects interstate commerce, that state laws with 
“legitimate local public interest” that incidentally burden interstate commerce in a way that is 
not “clearly excessive in relation to the putative local benefits” are permissible) (emphasis 
added); Shaffer v Heitner, 433 US 186, 197; 97 S Ct 2569; 53 L Ed 2d 683 (1977) (explaining 
that state courts cannot, as a state sovereign authority, “ ‘directly’ . . . assert extraterritorial 
jurisdiction over persons or property” because such an act would “offend sister States and exceed 
the inherent limits of the State’s power”); Burger King Corp v Rudzewicz, 471 US 462, 472; 105 
S Ct 2174; 85 L Ed 2d 528 (1985) (stating that a state court can exercise jurisdiction over an out-
of-state defendant only when “the litigation results from alleged injuries that arise out of or relate 
to” that defendant’s activities directed “at residents of the forum”) (quotation marks and citation 
omitted); Strassheim v Daily, 221 US 280, 285; 31 S Ct 558; 55 L Ed 735 (1911) (explaining 
that a state may criminally prosecute an individual for acts performed outside the state when the 
individual’s acts “intended to produce and [do] produc[e] detrimental effects within it”); 
Bonaparte v Tax Court, 104 US 592, 594; 26 L Ed 845 (1881) (holding that exclusion from 
taxation of certain debt purchases in one state could not control the taxation of individuals 
residing in another state because “[n]o State can legislate except with reference to its own 
jurisdiction”). 
33 See HP Hood & Sons, Inc v Du Mond, 336 US 525, 534-535; 69 S Ct 657; 93 L Ed 865 (1949) 
(“While the Constitution vests in Congress the power to regulate commerce among the states, it 
does not say what the states may or may not do in the absence of congressional action, nor how 
to draw the line between what is and what is not commerce among the states.  Perhaps even more 
than by interpretation of its written word, this Court has advanced the solidarity and prosperity 
of this Nation by the meaning it has given to these great silences of the Constitution.”); Healy, 
491 US at 335-336 (explaining that the Constitution has a “special concern . . . with the 
maintenance of a national economic union unfettered by state-imposed limitations on interstate 
commerce”); Hughes v Oklahoma, 441 US 322, 325; 99 S Ct 1727; 60 L Ed 2d 250 (1979) 
(reasoning that the Constitution worked to prevent “economic Balkanization” created through 
divergent and competing regulatory regimes); Gwin, White & Prince Inc v Henneford, 305 US 
434, 439; 59 S Ct 325; 83 L Ed 272 (1939) (explaining that a tax on business sales that did not 
 
 
 
22 
 
state’s ability to determine the course of public policy within its own borders, which would be 
substantially undermined if other states could extend their policy choices directly into out-of-
state jurisdictions and activity.  The Supreme Court has “recognized the usual legislative power 
of a State to act upon persons and property within the limits of its own territory, a feature of our 
constitutional order that allows different communities to live with different local standards.”34  
The demands of due process and the Commerce Clause serve to vindicate democracy, not subvert 
it.  This principle has been understood as far back as the Marshall Court, which in Gibbons v 
Ogden repeatedly emphasized a state’s authority to regulate “within [its] territory.”  However, 
the Court in Gibbons v Ogden notably cited the “great force” of a limitation on regulating 
“commerce with foreign nations and among the States.”35 
These constitutional doctrines apply to state tax law, as they do any legal burden or 
obligation.  The Supreme Court explained the standard in MeadWestvaco Corp v Illinois Dep’t 
of Revenue:  
 
properly value in-state activities was unconstitutional and noting that if one state were permitted 
to apply such a tax, other states could apply the same tax on the same activities); see also Burger 
King, 471 US at 472 (reasoning that due-process protections requiring a connection between the 
state and the individual’s action provide “a degree of predictability to the legal system that allows 
potential [individuals] to structure their primary conduct”) (quotation marks and citation 
omitted).  
34 Ross, 598 US at ___; 143 S Ct at 1156 (quotation marks and citations omitted); see also Du 
Mond, 336 US at 533-534 (“The desire of the Forefathers to federalize regulation of foreign and 
interstate commerce stands in sharp contrast to their jealous preservation of power over their 
internal affairs.”); Healy, 491 US at 336 (emphasizing that the constitutional limitations on 
regulation of interstate commerce vindicate “the autonomy of the individual States within their 
respective spheres”).  
35 Gibbons v Ogden, 22 US (9 Wheat) 1, 203-209; 6 L Ed 23 (1824) (noting a state’s power to 
regulate “internal commerce of a State” and “provide for the health of its citizens”).  
 
 
23 
 
 
The Commerce Clause and the Due Process Clause impose distinct but 
parallel limitations on a State’s power to tax out-of-state activities.  The Due 
Process Clause demands that there exist some definite link, some minimum 
connection, between a state and the person, property or transaction it seeks to tax, 
as well as a rational relationship between the tax and the values connected with the 
taxing State.  The Commerce Clause forbids the States to levy taxes that 
discriminate against interstate commerce or that burden it by subjecting activities 
to multiple or unfairly apportioned taxation.  The broad inquiry subsumed in both 
constitutional requirements is whether the taxing power exerted by the state bears 
fiscal relation to protection, opportunities and benefits given by the state—that is, 
whether the state has given anything for which it can ask return.[36] 
Therefore, the basic demand of the Due Process Clause and Commerce Clause is that the 
economic value being subject to tax must be derived from in-state activities.37  And it applies 
even when considering the unitary business doctrine.  In fact, the unitary business theory is an 
accurate reflection of economic reality, in that dispersed assets administered by a multistate 
 
36 MeadWestvaco, 553 US at 24-25 (quotation marks and citations omitted). 
37 See Container Corp of America v Franchise Tax Bd, 463 US 159, 164; 103 S Ct 2933; 77 L 
Ed 2d 545 (1983) (reiterating that the central demand of the Constitution with regard to tax 
application is that states cannot “tax value earned outside its borders”) (quotation marks and 
citation omitted); Trinova Corp v Mich Dep’t of Treasury, 498 US 358, 374-384, 386; 111 S Ct 
818; 112 L Ed 2d 884 (1991) (reasoning that states may not constitutionally “tax burdens and 
import tax revenues,” analyzing the economic value of sales and assets within a jurisdiction, and 
concluding that a “three-factor” attribution system is constitutional); Miller Bros Co v Maryland, 
347 US 340, 342; 74 S Ct 535; 98 L Ed 744 (1954) (“No principle is better settled than that the 
power of a state, even its power of taxation, in respect to property, is limited to such as is within 
its jurisdiction.”) (quotation marks and citation omitted); Taylor, 92 US at 608 (providing the 
foundations of the unitary business theory of taxation and stating that states may constitutionally 
apply a tax that “apportion[s] the value within the [jurisdiction]”); Butler Bros v McColgan, 315 
US 501, 506-509; 62 S Ct 701; 86 L Ed 991 (1942) (emphasizing that a state may reasonably 
apportion tax liability based on the “business done there” and not “extraterritorial values” and 
noting that a tax attribution on regular business sales based on property, payroll, and sales located 
within the state satisfies constitutional requirements); Adams Express Co, 165 US at 220 
(explaining that states may tax a proportion of “value . . . fairly and properly ascertained”).  
The majority opinion at no point materially disputes the basic principle taken from this 
caselaw, which limits taxation to reasonable determinations of in-state economic values.  
 
 
24 
 
organization can produce substantial real economic value within the state’s borders, beyond a 
mere book-value accounting of the physical assets placed in the state.38  The realities of 
economies of scale and modern corporate organization do not in any way change the 
fundamental inquiry of our Constitution and its demand that states tax the economic values only 
within their jurisdiction.  
But valuing economic activity can be difficult,39 and the Constitution does not define an 
exclusive method by which states must calculate taxes.40  The Supreme Court has recognized 
this, providing room for states to attempt in good faith to attribute economic activity to their 
jurisdictions.  The ultimate inquiry is whether the tax attempting to be applied constitutes a 
 
38 See Adams Express Co, 165 US at 220-221 (“The valuation was, thus, not confined to the 
wires, poles, and instruments of the telegraph company, or the roadbed, ties, rails, and spikes of 
the railroad company, or the cars of the sleeping-car company, but included the proportionate 
part of the value resulting from the combination of the means by which the business was carried 
on,—a value existing to an appreciable extent throughout the entire domain of operation.”).  
The majority opinion suggests that the source of economic activity is largely irrelevant 
when dealing with taxation of a unitary business.  That is in direct conflict with the 
jurisprudential underpinnings of the unitary business doctrine, which relies on the economic 
reality of accurately attributing activity to the taxing state, and the established body of Supreme 
Court caselaw, which prevents states from extending their jurisdiction beyond activities and 
economic values within their borders.  See also notes 71 and 77 of this opinion.  
39 See Trinova, 498 US at 379 (“The same factors that prevent determination of the geographic 
location where income is generated, factors such as functional integration, centralization of 
management, and economies of scale, make it impossible to determine the location of value 
added with exact precision.”); Container Corp, 463 US at 182 (“Both geographical accounting 
and formula apportionment are imperfect proxies for an ideal which is not only difficult to 
achieve in practice, but also difficult to describe in theory.”).  
40 See Trinova, 498 US at 387 (reaffirming that there is no “single constitutionally mandated 
method of taxation”) (quotation marks and citation omitted). 
 
 
25 
 
“reasonable sense of how income is generated”41 and is a “fair apportionment”42 of the value 
generated by the enterprise within the taxing jurisdiction.  The Supreme Court has struck down 
taxes that are “out of all appropriate proportion to the business transacted . . . in that state”43 and 
that have “led to a grossly distorted result.”44  
C.  THE DEPARTMENT’S 70% ATTRIBUTION OF ML’S COMPANY-WIDE SALE TO 
MICHIGAN IS DISPROPORTIONATE AND UNCONSTITUTIONAL  
It cannot fairly be said that the Department reasonably calculated the economic value of 
ML’s activities in the state when it assessed the tax in 2011.  Michigan claimed 70% of ML’s 
value as an entire company.  Vectren purchased ML in what was for all intents and purposes a 
stock sale, purchasing equity from Christopher Leines and Paulette Britzius.  Given that an asset 
sale of all a corporation’s assets and liabilities for cash consideration is economically equivalent 
to an equity sale, the parties agreed to allow taxing authorities to “look through” to the assets 
 
41 Container Corp, 463 US at 169.  
42 Trinova, 498 US at 385; see also Hans Rees’ Sons, Inc v North Carolina, 283 US 123, 133; 
51 S Ct 385; 75 L Ed 879 (1931) (explaining that a tax falls outside the Constitution’s parameters 
when the value calculated within the state is “not reasonably attributable to the processes 
conducted within the borders of that state”); Underwood Typewriter Co v Chamberlain, 254 US 
113, 120-121; 41 S Ct 45; 65 L Ed 165 (1920) (reasoning that a tax is constitutional if it applies 
to the “fair share” of the activities within the state to tax “only the profits earned within the 
state”); Allied-Signal, Inc v Dir, Div of Taxation, 504 US 768, 780; 112 S Ct 2251; 119 L Ed 2d 
533 (1992) (stating that a tax is unconstitutional if it “tax[es] value or income that cannot in 
fairness be attributed to the taxpayer’s activities within the State”).  
43 Hans Rees’ Sons, 283 US at 135.  
44 Norfolk & W R Co v Missouri State Tax Comm, 390 US 317, 326; 88 S Ct 995; 19 L Ed 2d 
1201 (1968).  
 
 
26 
 
underlying the equity transaction.45  Undoubtedly, if the parties had agreed to classify their stock 
sale as a stock sale, Michigan would have claimed very little if any of the income derived from 
the sale.46  However, regardless of the procedure of sale, the result in terms of calculation of 
economic value by jurisdiction is the same.  It is undisputed that ML had no physical assets 
permanently located in Michigan.  It had no physical structures, it had no facilities, and it had 
no warehouses in the state.  The infrastructure and physical structures by which the corporation 
was run, i.e., the company’s base of operations, was located entirely outside of Michigan.  The 
value of these facilities was $16 million, which was derived from properties and plants located 
in Big Lake, Minnesota; Bemidji, Minnesota; Superior, Wisconsin; and Altamont, Illinois.  The 
undisputed facts show that ML’s oversight, strategy, and control derived from the corporate 
headquarters in Big Lake, Minnesota, where ML’s management performed their duties.  While 
the Department can tax the value produced by income generated by these buildings in 
 
45 See Rite Aid Corp v United States, 255 F3d 1357, 1358 (CA Fed, 2001) (explaining that the 
business sale method used by ML allows for the treatment of a sale of stock as a sale of assets 
“for tax purposes”); 33 Am Jur 2d, Federal Taxation (May 2023 update), ¶ 5100 (explaining that 
the procedure allows the buyer to “get a stepped-up basis for the target’s assets” through an 
otherwise stock sale); see also The Hartford, What Are You Selling? Assets or Stocks? 
 (accessed 
July 19, 2023) [https://perma.cc/372V-GRZP] (stating the basic differences between a stock and 
asset sale of a business and illustrating that the only economic difference between the two is if 
less than all the assets or liabilities are included in the asset deal); Feldman v Comm’r of Internal 
Revenue, 779 F3d 448, 455-457 (CA 7, 2015) (explaining, in the context of a tax dispute applying 
the substance-over-form theory in tax law, how the economic reality of a complete asset sale can 
be equivalent to a stock sale).  
46 MCL 206.112(3) (“Capital gains and losses from sales or exchanges of intangible personal 
property are allocable to this state if the taxpayer is a resident partnership, estate or trust or 
individual of this state or has a commercial domicile in this state.”).  
 
 
27 
 
Michigan,47 which it did by imposing a tax on ML’s income on sales in Michigan, the state 
grabbed in its sweeping net the direct value of out-of-state real properties under the control and 
supervision of other jurisdictions.48  No apportionment was given to account for these dispersed, 
out-of-state physical properties.     
The company owned 1,195 individual pieces of equipment, a small fraction of which was 
used or operated in Michigan.  The record evidence supports the conclusion that, at the beginning 
of the Enbridge contract, only five pieces of equipment were brought into Michigan.  Christopher 
Leines provided sworn statements describing the limited extent to which equipment was used 
and establishing that the substantial majority of the equipment for the Enbridge contract was 
rented.  Property tax receipts show that less than 10% of the value of ML’s tangible property 
was located within Michigan during the winter of 2010 to 2011, and the allocated cost of 
depreciation for the short tax year equaled less than 10% of the book value of the equipment sold 
on March 31, 2011.49  Furthermore, it is undisputed that Michigan was not a permanent location 
 
47 See Trinova, 498 US at 374-379 (explaining how income derived from production or other 
physical activities out of state could be properly sourced, at least in part, to the location of sales). 
48 See notes 32 and 37 of this opinion.  Under common tax principles, the value of real estate is 
taxed at the location of the property.  See 72 Am Jur 2d, State and Local Taxation (June 2023 
update), § 524 (“Real property is subject to taxation in the taxing jurisdiction or state where it is 
located, or situated, regardless of whether the owner is a resident or a nonresident.”) (citations 
omitted); 84 CJS, Taxation (May 2023 update), § 401 (“Real property and interests therein are 
taxable in the taxing district where the property is actually situated and not elsewhere.”) 
(citations omitted); see also 67B Am Jur 2d, Sales and Use Taxes (May 2023 update), § 16 
(stating that, when taxing a sale, it is “the situs of the sale that controls, and not the citizenship 
of the seller”).  
49 A review of ML’s financial statements, cited and produced by Vectren, shows that 2% of ML’s 
annual costs were associated with depreciation on equipment.  The allocated cost in the short 
year equaled less than 10% of the equipment’s book value.  
 
 
28 
 
or storing area for ML’s equipment, but merely a location where some equipment was brought 
to respond to contracts located in the area.  ML sold these assets under legal title owned by a 
Minnesota company to an Indiana company in a sale negotiated and produced entirely outside 
of Michigan.  This is an out-of-state sale with a substantial majority of assets located outside the 
state.  Even those located in Michigan at the time of sale were not in Michigan under a permanent 
placement and were sold as small parts of a larger business operation with an insignificant 
footprint in the state.  While Michigan could tax a reasonable apportionment of value provided 
within the state by the equipment, such as through property taxes or other consumption taxes, 
Michigan cannot apply a 70% allocation of equipment sales occurring wholly outside of its 
jurisdiction.50  Substantial taxation of the sale of even those assets which by happenstance were 
located in Michigan temporarily constitutes an unapportioned tax on interstate commerce.51  The 
 
50 It is possible that sales of goods and services occurring out of state could be attributed to 
economic activity in the state through unitary business operations, based on the management, 
oversight, and consolidated operations in state.  Yet here there are no permanent physical 
properties in Michigan, no operations management or control derived from the state for the 
enterprise as a whole, and an otherwise minimal commercial footprint in the state.  Attributing 
these out-of-state sales of permanent equipment to Michigan is a far cry from reasonably valuing 
the unitary business operation. 
51 See JD Adams Mfg Co v Storen, 304 US 307, 310-311; 58 S Ct 913; 82 L Ed 1365 (1938) 
(explaining that a tax on values occurring within the state, including sales or property taxes in-
state, was constitutional but that a tax on income without proper consideration of the location of 
sale was unconstitutional); McGoldrick v Berwind-White Coal Mining Co, 309 US 33; 60 S Ct 
388; 84 L Ed 565 (1940) (upholding a tax on sales occurring within a state and involving 
deliveries in the state); Miller Bros, 347 US at 342-343 (holding that a de facto tax on commercial 
sales occurring with out-of-state businesses, with delivery of goods out of state, was 
unconstitutional and noting that “[w]here there is jurisdiction neither as to person nor property, 
the imposition of a tax would be ultra vires and void”) (quotation marks and citation omitted); 
American Trucking Associations, Inc v Scheiner, 483 US 266; 107 S Ct 2829; 97 L Ed 2d 226 
(1987) (concluding that a fee on property located within the state and consumption taxes for use 
of the property in the state were constitutional but that a flat tax on property used as part of 
interstate commerce was unconstitutional); Minnesota v Blasius, 290 US 1, 9; 54 S Ct 34; 78 L 
 
 
 
29 
 
Department does not apply any consideration of the location of the equipment, the residence of 
its owner and where legal title resides, the limited placement for a temporary period in Michigan, 
or the location of the sale.  That is a misallocation of $18.4 million in equipment.   
It is also undisputed that ML had contract rights to the services of 600 employees, all of 
whom were given permanent assignments and default work locations outside of Michigan.  As 
a Minnesota-based company, ML negotiated and entered collective bargaining agreements 
owned as assets in Minnesota, and no employees were permanently stationed or given long-term 
assignments to Michigan.  Once the Kalamazoo River oil spill occurred, ML of course needed 
to redeploy some of its out-of-state labor to effectively complete the job.  However, the 
uncontradicted record demonstrates that ML transferred virtually none of its labor force to 
Michigan and instead hired most of its workers on a temporary basis from Michigan union shops.  
The attributable cost of labor incurred when ML moved assets into Michigan to serve the 
Enbridge contract, which amounted to less than 10% of ML’s overall labor costs, as well as 
sworn statements from ML’s management, support this conclusion.  Certainly, Michigan could 
tax the labor occurring within the state, the contract to purchase temporary union labor in the 
state, or a portion of the income derived from ML’s services within the state.  Taxing 70% of the 
value of union contracts owned and sold out of state as well as the value of permanent employee 
placements, the vast majority of which did not interact with the Michigan market, is a gross 
 
Ed 131 (1933) (reasoning that while states may not tax “property in transit in interstate 
commerce,” states may tax the property directly to the extent the value is attributable to the state 
and has “come to rest” in the state).    
 
 
30 
 
distortion of the economic value of labor in Michigan.  This is another $3.7 million derived from 
ML’s sale that was misallocated.52  
Out of the remainder of ML’s sale’s price, $19.1 million was derived from intangible 
assets such as trade names, preexisting consumer relationships, and goodwill.  The most 
prominent preexisting relationships were those of Enbridge, Koch, and Minnesota Pipeline, all 
of which provided business around ML’s central location in Minnesota.53  ML’s intellectual 
 
52 The undisputed record shows that ML built its experience, name, and value over decades of 
out-of-state labor.  Undoubtedly, much of the available labor to ML at the time of sale established 
and elevated the value assigned to intangibles such as customer relationships, goodwill, and trade 
name.  Thus, the $3.7 million assigned to the cost of the existing labor contracts alone does not 
fully capture the full value of ML’s out-of-state labor.  As explained more fully later in this 
opinion, labor is one of the foundational factors of economic productivity and serves as one of 
three basic elements to the Supreme Court’s “benchmark” of tax apportionment: the “three-
factor” method.  See Container Corp, 463 US at 170; Trinova, 498 US at 380 (explaining factors 
of productivity and the manner by which economic value is generated); see also Federal Reserve 
Bank of St. Louis, Factors of Production  
(accessed 
July 
20, 
2023) 
[https://perma.cc/5RM7-2GKV] (explaining the economics of factors of production and stating 
that “land, labor, capital, and entrepreneurship,” i.e., management and intellectual property, are 
the “building blocks of the economy”); S C Johnson & Son, Inc v Transp Corp of America, Inc, 
697 F3d 544, 558 (CA 7, 2012) (stating how the basic “factors of production” are influenced by 
laws and how those factors then “drive[] market transactions” through setting costs, prices, and 
output) (quotation marks and citation omitted).  
53 As already explained, Vectren’s consideration of future growth was focused mostly on the 
Marcellus, Utica, and Bakken shale formations in Ohio, Pennsylvania, and West Virginia.  
Vectren’s president provided uncontradicted testimony that the company valued most ML’s 
consumer relationships with Minnesota Pipeline, Koch, and Enbridge, all of which are out-of-
state companies.  No party denies Enbridge was a recurring customer.  But the reference point 
for recurring customer relationships was the company’s history, i.e., the time prior to the 2011 
short year when ML was working solely with Enbridge for an emergency contract.  Vectren 
provided extensive proof that the sales from Enbridge and other recurring customers occurred 
almost entirely out of state.  KPMG noted that it relied upon customers from 2007 to 2010 as 
part of its valuation, and during that period, less than 15% of sales were attributed to Michigan, 
including the unusual Enbridge contract in Michigan.  Notably, in the years after ML’s 
acquisition, less than 3% of Vectren’s sales were associated with Michigan.  
 
 
31 
 
property was owned in Minnesota and sold in an exchange outside of Michigan.  Outside of 
small values produced by relationships with Consumers Energy in Michigan, almost all of the 
preexisting business derived from out-of-state contacts.  Like all income streams, revenue from 
intangible assets such as dividends can be apportioned by state.  However, like all state taxes, it 
must be derived from the economic value produced intrastate.54  Given that the undisputed record 
shows that ML established contracts with existing customers, built a reputation, and developed 
experience in the market through overwhelmingly out-of-state activities and labor, protected by 
intellectual property and contract rights owned out-of-state, a 70% valuation of intangible assets 
to Michigan is grossly disproportionate.55  
Vectren also purchased $16.6 million of ML’s goodwill.  The parties appear to agree that 
the economic value of goodwill would be the result of historical operations of the company.  As 
the Department itself explained in an agency memo, “[b]ecause it is difficult to identify the 
income-producing activity in each state and because the company headquarters tends to be where 
the company’s brand is created, developed, monitored, and protected, the greater proportion of 
the cost of performance is generally in the state where the company is domiciled.”  This position 
is well in line with standard allocation of taxation values for goodwill and other intangible 
property.56  Yet under the established record, ML had very little commercial development within 
 
54 See Mobil Oil Corp v Comm’r of Taxes of Vermont, 445 US 425; 100 S Ct 1223; 63 L Ed 2d 
510 (1980) (holding that Vermont could tax intangible property of dividend distributions in the 
ordinary course of business by attributing value in state using a three-factor calculation). 
55 See note 56 of this opinion.  
56 See 72 Am Jur 2d, State and Local Taxation (June 2023 update), § 540 (explaining that, 
generally, the situs of intangible property “is at the domicile of the owner or the residence of the 
owner of legal title, and only there, regardless of the actual location of the evidence of the 
intangible as a debt”) (citations omitted); id. at § 544 (providing that states may tax intangibles 
 
 
 
32 
 
Michigan throughout the company’s 52-year history.  The company was founded and based out 
of Minnesota, grew from that state into neighboring states, and had little to no contracts or sales 
in the state of Michigan for its business history leading up to 2000.  In the years from 2000 to 
the Kalamazoo River oil spill in 2010, 3% of ML’s sales were located in Michigan.  And even 
with the jump in sales due to the emergency Enbridge contract, ML’s Michigan-based sales for 
the prior 10-year period was 7%.  From the founding of the company to the 2011 short year, 
ML’s operations, corporate development, and management were located in Minnesota.  Further, 
Vectren’s president provided uncontradicted testimony that Michigan’s market and natural 
resources did not affect the company’s considerations in purchasing ML.  Thus, through the 
development of ML’s company history, its brand name, experience in the field, and consumer 
value were derived almost entirely from outside of Michigan.  The Department gave no 
consideration to these out-of-state values when it attributed 70% of ML’s entire corporate 
intangibles to in-state activities.   
The location of ML’s sale matters for properly attributing economic value.57  In addition 
to the fact that the assets sold were almost entirely located out of the state, the sale itself was by 
an out-of-state buyer, purchasing the ownership position from Minnesota owners, involving out-
 
from other states to the extent of the “value of the intangibles used there”); accord 84 CJS, 
Taxation (May 2023 update), § 422; 67B Am Jur 2d, Sales and Use Taxes (May 2023 update), 
§ 16 (explaining that taxation on a sale of property is attributed to the “situs of the sale”); 85 
CJS, Taxation (May 2023 update), § 2068 (noting constitutional limitations); see also 26 USC 
865(d)(3) (providing income-sourcing rules for personal property sales and indicating that 
goodwill is sourced where “[the] goodwill was generated” and that other intangibles, such as 
trade names, are sourced to the taxpayer’s residence).  
57 See, e.g., Trinova, 498 US at 376 (reasoning that, no matter where the economic processes to 
develop an asset may have occurred, the location of actual sale is an integral part of economic 
interactions and plays an important role in the “value added” for corporate income).  
 
 
33 
 
of-state negotiations, and relying upon out-of-state intermediaries.  The sale itself had almost 
nothing to do with Michigan, and if the parties had classified the transfer as an economically 
equivalent stock sale, Michigan would have claimed little to none of the income derived from 
the sale.58  
The horizon of time considered by the Department also matters.  Here, the Department 
calculates the tax by taking a short, three-month period, calculating the direct-to-consumers sales 
for only that period, and attributing that percentage of sales to the sale of all assets in the 
company.  That is not only grossly disproportionate in value, but severely temporally skewed.  
The undisputed facts demonstrate that ML’s Enbridge contract required a spike in work during 
periods of the year when most of the company is idle or performing insubstantial work.  In order 
to respond to the environmental emergency in the Kalamazoo River, ML had to work through 
the winter.  Not only was work performed for the Enbridge contract the most ML had ever 
performed in Michigan, but the work was also done during a time of year when virtually no other 
sales were occurring in the rest of the country, including ML’s central location in Minnesota.  
The Department did not consider the location of the assets, the location of the sale, or the broader 
scope of time that would adequately capture ML’s economic activity in the state.  The 2011 short 
year was a far cry from a typical “unitary business” operation, under which the majority opinion 
justifies the instant tax.59  Not “every unitary business” sells all of its corporate rights, property, 
employee contracts, and intellectual property that it has built over decades through out-of-state 
activity, recoups a massive amount of income through an out-of-state corporate sale, and receives 
 
58 See notes 45 and 56 of this opinion. 
59 Ante at 31 n 12 (majority opinion).  
 
 
34 
 
a 70% tax apportionment on that entire body of income to a state with little connection to the 
company’s activities, based solely on a comparatively small amount of direct-to-consumer sales 
from a narrow three-month period of time when the company was performing an offseason 
contract in response to an environmental emergency.60  The tax imposed here does not fairly 
capture a reasonable valuation of ML’s in-state activities, even giving a degree of room for the 
state to perform proper attribution.61   
Even with almost no activity in the state, ML offered to provide Michigan 15% of the 
value of the company’s sale by valuing the unprecedented Michigan short-year sales but sourcing 
the asset sale to out-of-state activities.  The United States Supreme Court has repeatedly stated 
that an attribution formula that equally considers labor, property, and sales is a “benchmark 
against which other apportionment formulas are judged.”62  This “three-factor formula,” while 
imperfect, has “a powerful basis in economic theory”63 because “payroll, property, and sales 
appear in combination to reflect a very large share of the activities by which value is 
generated.”64  The Supreme Court, in fact, considered and declined to constitutionally eliminate 
sales attribution for income entirely when it upheld the application of the three-factor method.65  
Yet the application of this benchmark theory of economic value, if considered in this case, 
 
60 Id.  
61 See notes 39 to 42 of this opinion; see also notes 32 and 37 of this opinion.  
62 Container Corp, 463 US at 170.  
63 Id. at 183 n 20.  
64 Trinova, 498 US at 381 (quotation marks, citation, and emphasis omitted); id. (explaining that 
the attribution has “wide approval”) (quotation marks and citation omitted).  
65 Id. at 384.  
 
 
35 
 
illustrates the significant distortions in the Department’s apportionment.  None of ML’s assets 
were owned in Michigan, no real property was located in the state, a small portion of its 
equipment was temporarily placed in the state for an emergency contract, and none of its 
permanent employees were assigned to the state, while short-term contracts were used for local 
labor.  Furthermore, a more accurate scope of consideration demonstrates that a substantial 
minority of sales were located in Michigan, whether including the asset sale or considering 
direct-to-consumer sales for the prior decade, if not longer.  While the income generated from 
ML’s contract with Enbridge, whether directly or through an attribution from a unitary business 
operation, was taxable by the Department, such income does not even approach an $88 million 
asset sale of ML as a corporation.66  The record demonstrates that a proper three-factor valuation 
of ML’s activities reveals almost no property footprint, minimal payroll, and insignificant sales 
in Michigan.  Even if a single factor of sales is used, the Department entirely ignored the location 
of ML’s asset sale, which was out of state.  Instead of using the three-factor model or the location 
of all sales, the Department used only direct-to-consumer sales and only for a three-month 
period.  ML’s proposal of 15% valuation to Michigan was abundantly reasonable, and much 
more in line with evaluations sanctioned by the Supreme Court of the United States than the 
valuation employed by the Department.     
In Container Corp of America v Franchise Tax Bd, a corporation with substantial 
operations in California sued the state for the allocation of foreign subsidiary income to in-state 
activities using the three-factor method.67 Notably, in Container Corp, California took into 
 
66 ML made $5 million in profits from the Enbridge contract in 2010 and $2 million during the 
2011 short year.  
67 Container Corp, 463 US at 162-163.  
 
 
36 
 
consideration the out-of-state assets and operations and lowered its attribution to the state when 
expanding the horizon of taxation, from around 10% and 11% to around 8%.68  Furthermore, the 
state was seeking to tax the company’s income derived from direct-to-consumer sales around 
the world in a unitary business operation.  Unlike the Department in the present case, the state 
in Container Corp was not seeking to tax 70% of the value of the company as a whole in a sale 
occurring out-of-state with the vast majority of assets located out of state.69   The United States 
Supreme Court reiterated the strong economic basis for the three-factor method and concluded 
that California’s taxation of income in the regular course of the taxpayer’s business could be 
attributed in part to the state.  The Court expressly cited the fact that California’s method of 
attribution of foreign subsidiary income, with proper application of the three-factor method, 
produced a difference of a mere 14% change in taxable income.  The Court compared that to the 
amount in Hans Rees’ Sons, Inc v North Carolina, in which North Carolina attempted to apply 
a one-factor method of calculation (tangible property), resulting in an attribution of 66% to 85%.  
However, a calculation including the reasonable economic value of the income-producing 
activities, including out-of-state sales, valued in-state income at 21%.  While in Hans Rees’ Sons 
the Court concluded that the state applied an unreasonable and disproportionate method of 
taxation, the Court in Container Corp concluded that the difference in reasonable attribution of 
14% was “a far cry from the more than 250% difference” in Hans Rees’ Sons.70   
 
68 Id. at 174-175 & nn 11-12.  
69 Id. at 171-173, 180-182 (describing the sales and regular operation of the business, selling 
custom-ordered paperboard packaging, as well as the reduced cost of labor abroad and the ability 
to make greater profits in selling the goods in the regular course of business). 
70 Id. at 184. 
 
 
37 
 
Here, by comparison, the Department is using a one-factor method like in Hans Rees’ 
Sons.  Unlike in Container Corp, but like in Hans Rees’ Sons, the divergence in reasonable 
attributable value is massive.  The Department’s calculation resulted in a 400% increase and a 
rise from 15% to 70% in attribution from the reasonable values ML calculated, which itself was 
favorable to the Department when compared with pre-Enbridge sales periods post-2000.  
Considering sales alone, the calculations used by the Department constituted a more than 900% 
increase from attribution of the company’s recent average sales history to Michigan and a 
2,100% increase from the company’s post-2000 sales history prior to the Kalamazoo River oil 
spill.  This is not a reasonable attribution of regular business income in a unitary business like 
that in Container Corp.  This case falls decisively in the category of Hans Rees’ Sons and other 
precedents in which the Supreme Court declared unconstitutional taxation on out-of-state 
economic activity and interstate commerce.71  
 
71 See JD Adams Mfg Co, 304 US at 310-311 (explaining that a tax on values occurring within 
the state, including sales or property taxes in state, was constitutional but that a tax on income 
from out-of-state business sales, without proper consideration of the location of sale, was 
unconstitutional); Miller Bros, 347 US at 343 (holding that a de facto tax on commercial sales 
occurring with out-of-state businesses, with delivery of goods out of state, was unconstitutional 
even if the state could tax the possession of the property by residents in state); Gwin, White & 
Prince, 305 US at 339-340 (holding that a tax on business sales not properly attributed to the 
state was unconstitutional and noting that, if the tax were permitted, the same economic activity 
could be taxed by other jurisdictions “with equal right”); Norton Co v Dep’t of Revenue of 
Illinois, 340 US 534, 539; 71 S Ct 377; 95 L Ed 517 (1951) (striking down a tax on sales ordered 
by and delivered to in-state residents but received and completed out of state and upholding a 
tax on sales received and completed in state); Underwood Typewriter Co, 254 US at 121 (holding 
that taxation of income from sales of typewriters and kindred articles created and derived from 
manufacturing and property valued entirely within the state was constitutional); Norfolk, 390 US 
at 326-327 (striking down a taxing formula for railroads where its “rigid application” in the facts 
of a case created a substantial overvaluation as compared to “actual value” of in-state activities); 
American Trucking Associations, Inc, 483 US at 284-286 (concluding that a fee on property 
located within the state and consumption taxes for use of the property in the state were 
constitutional, but that a flat tax on property as part of a multistate business operation was 
 
 
 
38 
 
 
unconstitutional); McGoldrick, 309 US at 57-58 (explaining that a tax on a sale occurring within 
a state and involving deliveries in state was constitutional and did not involve taxation of out-
of-state activity). 
The majority opinion narrows its gaze in ignoring the basic principles underlying 
Supreme Court caselaw in this area.  Ante at 48 n 24 (declining to acknowledge the basic precepts 
of Supreme Court precedents).  The Supreme Court precedents in this area repeatedly rely on 
each other as reference points to decide the question at issue in this case: does the tax apply to 
in-state economic values or does the tax apply to extraterritorial values?  See above citations and 
notes 32, 37, and 41 through 42 of this opinion (collecting sources); see, e.g., Standard Pressed 
Steel Co v Washington Dep’t of Revenue, 419 US 560, 561-563; 95 S Ct 706; 42 L Ed 2d 719 
(1975) (comparing the tax on sales for an interstate business to Norton, 340 US 534, and 
explaining that “[t]he disagreement in the Court was not over the governing principle; it 
concerned the burden of showing a nexus between the local office and interstate sales”).  The 
analysis in Supreme Court opinions is greater than the immediate facts before them.  The 
repeated citation in the majority opinion to the notion that a state can tax economic values 
occurring within its jurisdiction, even if the activities underlying those values are derived from 
multistate unitary business operations, is as accurate as it is unhelpful for the majority opinion’s 
holding.  Ante at 34-35.  In not one of the cases cited in the majority opinion has the United 
States Supreme Court approved the taxation of substantial economic value which by any 
reasonable measure occurred outside the state.  See also note 77 of this opinion. 
A state could place a tax on only one factor of economic activity when application of that 
formula is reasonably attributed to those in-state activities.  See, e.g., Standard Pressed Steel Co, 
419 US at 561-564 (holding that a gross receipts tax on the sale of a company to an in-state 
customer, after using an employee in the state to offer the sale, negotiate it, design the product, 
and respond to the customer’s concerns, was a proper valuation of in-state activity and indicating 
that the tax at issue was “apportioned exactly to the activities taxed”) (quotation marks and 
citation omitted); Moorman Mfg Co v Bair, 437 US 267, 269-270, 272-276; 98 S Ct 2340; 57 L 
Ed 2d 197 (1978) (explaining that an income tax on animal-feed sales that attributed income 
directly from property to the location of property and the remainder of income based on the 
location of the sale was constitutional given the default presumption of constitutionality and that 
the taxpayers failed to present any record as to where economic activity occurred or where profits 
were received; noting that “the application of a single-factor formula to a particular taxpayer” 
can be unconstitutional but that the taxpayer in that case presented no record); see also cases 
cited above; notes 32, 37, and 41 through 42 of this opinion.  However, relying on one factor 
alone, notwithstanding the economic realities of the business’s operations, can in some cases 
create substantially disproportionate and extraterritorial taxation, like the tax the Supreme Court 
held was unconstitutional in Hans Rees’ Sons. 
That is why Michigan’s own business income tax statute creates a safety valve, allowing 
the Department to apply an alternative method of apportionment.  See MCL 208.1309.  The 
 
 
 
39 
 
The Supreme Court’s decision in Trinova v Mich Dep’t of Treasury also supports the 
conclusion that the instant tax is unconstitutional.72  Like in Container Corp, the state was 
attempting to tax income derived in the regular course of business of a unitary commercial 
operation, not a mass asset sale of corporate properties.73  And in Trinova, the Department 
attributed income using the three-factor method, which resulted in an attribution of 9% to the 
state.  Notably, the Department chose not to apply a sales-only method, which would have 
attributed 27% of income to Michigan.  The company in Trinova argued that the location of sales 
must be fully excluded from consideration on income attribution.74  The Supreme Court rejected 
 
statute recognizes that isolating direct-to-consumer sales away from all other economic 
consideration can create substantial distortions in specific cases.  And that is true here.  Direct-
to-consumer sales may have been appropriate if the income derived from ML during the 2011 
short year was mostly or even significantly from direct-to-consumer sales or other regular 
business operations.  But instead, the Department applied this selective method of apportionment 
in an abnormal and distorted tax year to income derived almost entirely from a massive $88 
million out-of-state corporate asset sale.  The Department does not provide any material dispute 
that the vast majority of the short-year income resulted from ML’s asset sale, which the record 
shows was 93% of ML’s total short-year income; the Enbridge contract in Michigan was merely 
4% of ML’s total short-year income.  Vectren provided an extensive record demonstrating the 
nature and characteristics of its economic activities and assets, almost all of which are accurately 
sourced out of state.  Considering the actual source of the economic activity derived from ML’s 
short-year income, based on the location of the assets and values underlying ML’s company-
wide sale, the Department’s attribution of taxable value to Michigan is extraordinary and 
unconstitutional.  The majority opinion’s claim that enforcing basic constitutional limitations 
against extraterritorial taxation is “legislation” appears, in application, to be an appeal to 
eliminate those safeguards altogether.  Ante at 30-31.  It is neither democratic nor constitutional 
for a state to tax activities that cannot be reasonably attributed to its own jurisdiction. 
72 Trinova, 498 US 358. 
73 See id. at 368-370, 376-379 (describing the business’s source of income from sales in 
automobile parts, the attributions within each state from a manufacturing supply chain, and the 
value of in-state sales of the components directly to consumers). 
74 Id. at 381 (“Trinova proposes an alternative two-factor apportionment, excluding the sales 
factor.”).  
 
 
40 
 
that argument, reiterating its position that proper valuation of a company’s property, workforce, 
and location of sales is a reasonable, if not preferred method of tax allocation.   
In Trinova, the tax attribution went from 0.2% when ignoring sales to 9% when using the 
benchmark three-factor method.  While the change was large in terms of percentage difference, 
it was in aggregate relatively small.  Here, the Department is attempting to increase taxation by 
orders of magnitude using direct-to-consumer sales only, increasing the attribution of income to 
Michigan from 14%—using Vectren’s calculation—to a staggering 70%.  Further, unlike the 
plaintiff in Trinova, Vectren is not attempting to exclude the location of sales from attribution in 
taxation.  In fact, Vectren is attempting to vindicate the value of sales as an economic factor by 
considering in its attribution of tax the reality that ML’s short-year income was derived almost 
entirely from out-of-state sales of out-of-state assets.  Goodwill and intangible values, as part of 
those assets, are derived from historical business, expertise, and direct-to-consumer sales, which 
almost exclusively occurred out of state.  Not only did Michigan in this case refuse to consider 
property and workforce as a source of economic value, it also did not consider the location of 
sales when calculating the “value earned” inside the state.  
In sum, the Department’s tax calculation for the 2011 short year is unconstitutional.  
Given that this is a stock sale labeled as an asset sale, it is very likely that the income derived 
from ML’s sale was subject to double taxation: once in Minnesota as a capital gain or pass-
through income to ML’s owners and twice in Michigan (and perhaps other states) as an asset 
sale to Vectren.75  Almost certainly, Minnesota could have reasonably attributed most if not all 
 
75 It would be constitutional and abundantly fair for Minnesota to apply such a tax on income, 
rather than ML’s property rights, given that the actual economic value of the income from ML’s 
asset sale is almost entirely derived from Minnesota and surrounding states, not Michigan.  Mobil 
Oil Corp, 445 US at 436-446 (reaffirming that a state can properly apportion income from 
 
 
 
41 
 
of ML’s sale to that state.76  Such a tax on out-of-state economic activity is exactly what the 
Constitution disallows.   
D.  THE MAJORITY OPINION 
The majority opinion largely ignores the available record, restates arguments made by the 
Department, and infers conclusions that are categorically taken in the light most favorable to the 
 
multistate operations and rejecting an argument that income from intangibles such as dividends 
are per se not subject to apportionment, given that the use of “intangible property involve[s] 
relations with more than one jurisdiction,” and in so doing reiterating the established principle 
that tax and any apportionment is constitutional so long as it is based on the “part” of unitary 
businesses “conducted in . . . States” and on the “intrastate values of the enterprise”) (emphasis 
added).  As explained earlier, there is no economic difference between a stock sale and a 
company-wide asset sale for the recipients of the income.  It cannot be seriously debated that 
Michigan’s apportionment in this case creates substantial risk of double taxation.  The majority 
opinion’s implication that somehow Minnesota residents received favorable tax considerations 
for taxes paid to the Department by Vectren, an Indiana corporation, several years after the filing 
event strains credulity.  See Minn Stat 290.17(1)(a) (“The income of resident individuals is not 
subject to allocation outside this state.”); Minn Stat 290.06(22)(a) (“A taxpayer who is liable for 
taxes based on net income to another state . . . upon income allocated or apportioned to 
Minnesota, is entitled to a credit for the tax paid to another state if the tax is actually paid in the 
taxable year or a subsequent taxable year.”) (emphasis added); accord Minnesota Department of 
Revenue, Taxes Paid to Another State Credit  (accessed July 25, 2023) [https://perma.cc/P672-YPWN]; see also 
Plaintiff’s Court of Appeals Brief (December 7, 2018), p 24 (explaining in the context of a 
separate statutory argument that “[t]he gain on the Sale did not escape taxation” and “[t]he 
siblings paid Federal and state taxes as required”); ante at 43 (majority opinion denying any 
contention or implication of double taxation).   
76 See Healy, 491 US at 335-336 (explaining “the Constitution’s special concern both with the 
maintenance of a national economic union unfettered by state-imposed limitations on interstate 
commerce and with the autonomy of the individual States within their respective spheres”); JD 
Adams, 304 US at 311 (reasoning that a tax on economic value best attributed to out-of-state 
activity would impose on “[i]nterstate commerce . . . the risk of a double tax burden to which 
intrastate commerce is not exposed,” which “the commerce clause forbids”); Trinova, 498 US 
at 386 (stating the principal concern of the Constitution in preventing “serious concerns of 
double taxation” or taxing “revenues that, under the theory of the tax, belong of right to other 
jurisdictions”).  
 
 
42 
 
Department, despite directing the entry of summary disposition in the Department’s favor.77  In 
so doing, the majority opinion largely leaves unaddressed the substantial record of value 
explained in this opinion.  For the sake of simplicity, I will not restate in full the proper analysis, 
but will merely address specific areas of concern in the majority opinion. 
The majority opinion relies heavily on presumptions made by the Department that 
Vectren was really purchasing ML in order to exploit the Michigan market, which has certain 
shale oil deposits in the Antrim formation.78  This is confounding given that almost none of ML’s 
historical activities occurred in Michigan, including in the immediate years leading up to the 
sale, and the in-state sales underlying the Department’s 70% valuation of ML were due to an 
 
77 The majority opinion does not consider, address, or incorporate in its theory of value the 
massive weight of out-of-state assets in ML’s corporate sale.  It fails to consider pertinent details: 
the location of ML’s real estate; the location and placement of its permanent equipment; the 
assignment of its permanent workforce; the location of ML’s management and strategic 
development; the locations where ML built a consumer base, expertise, and a reputation; the 
state in which ML’s contracts and property were legally owned; the location of ML’s negotiation 
and asset sale; the emergency nature of the Enbridge contract; or the distortionary and highly 
selective horizon of time the Department chose to attribute direct-to-consumer sales to Michigan.  
The majority opinion restates the law on unitary business operations, notes that 70% of ML’s 
direct-to-consumer sales immediately prior to the asset sale occurred in Michigan, and thereby 
concludes that the Department’s apportionment is reasonable.  But, as explained earlier, the 
unitary business doctrine is ultimately a tool to assess the actual value of in-state activities.  
While the Supreme Court has approved the use of apportionment of income when geographical 
taxation is impractical, it has never sanctioned the extension of state authority outside of its 
borders or the taxation of economic activity that has no reasonable attribution to the state.  This 
is exactly such a case, in which Michigan is attempting to capture 70% of the value of an entire 
company derived from, built, and maintained on out-of-state economic activity.  The record is 
undisputed that ML had very little footprint in Michigan leading up to the Kalamazoo River oil 
spill, and even then, the Department chose to apportion the value of the company based only on 
direct-to-consumer sales and only for the winter offseason when ML was responding to an 
environmental emergency.    
78 The majority opinion repeatedly relies upon Vectren’s purported “future growth plans” for 
ML in Michigan. 
 
 
43 
 
emergency oil spill that is highly unlikely to frequently or consistently occur.79  It is also 
inapposite given that the owner and signatory of the selling corporation, Christopher Leines, 
provided uncontradicted statements that ML had little to no involvement in the Michigan market, 
had no permanent placement or infrastructure there, and had no immediate plans to increase their 
presence or investment in the state.  The president and signatory for the buyer, Douglas Banning 
Jr., provided uncontradicted testimony that the business and operations in Michigan, specifically 
the Antrim shale formation, did not determine or affect Vectren’s considerations as to whether 
to purchase ML.80  KPMG’s market analysis to value existing customer relationships relied upon 
sales history from 2007 to 2010, and during that period, less than 15% of sales were attributed 
to Michigan, including the highly unusual Michigan-Enbridge contract.  Of the customers ML 
marketed to potential purchasers, only Consumers Energy had regular business in Michigan.  
Sales to Consumers Energy equaled 8.6% of ML’s total sales from 2007 to 2010 and no more 
than 3.5% of sales from 2001 to 2010.81  It belies economic reality to claim that 70% of the value 
 
79 See note 9 of this opinion (explaining the unprecedented nature of the Kalamazoo River oil 
spill); see also National Oceanic and Atmospheric Administration Office of Response and 
Restoration, 
Largest 
Oil 
Spills 
Affecting 
U.S. 
Waters 
Since 
1969 
 (accessed July 21, 2023) [https://perma.cc/BF8W-GWVH] (listing the 
dozens of oil spills that affected United States waterways and noting only the Kalamazoo River 
oil spill for Michigan).  
80 Banning testified that Vectren “never even looked at a shale play in Michigan at all” when 
considering whether to purchase ML.  Any natural resource development in Michigan “didn’t 
really enter into [Vectren’s] acquisition criteria as far as whether we wanted to acquire [ML] or 
not.”  Similarly, when discussing ML’s minor amount of historical sales to Michigan-based 
Consumers Energy, Banning testified that he did not even “know that . . . at the time” of ML’s 
sale.  
81 By comparison, between 2007 and 2010, at least 23% of ML’s sales derived from Enbridge-
associated companies, and at least 33% of sales derived from contracts with Minnesota Pipeline.  
 
 
 
44 
 
of ML’s consumer relations was derived from Michigan.  Further, ML’s reputation and 
experience were built over decades in Minnesota and surrounding states, and its future prospects 
concentrated on extraction and development of the Marcellus, Utica, and Bakken formations in 
North and South Dakota, Ohio, Pennsylvania, and West Virginia.82  Unsurprisingly, after 
Vectren purchased ML and completed the Kalamazoo River oil spill contract, sales in Michigan 
returned to their historical norm—around 1% of total sales, or roughly $5 million.  The only 
“hindsight-quarterbacking” is found in the majority opinion, which concludes that its analysis 
on speculative future markets overrides the sworn statements of the purchaser and buyer, the 
analysis performed by the accounting professionals at KPMG, and the substantial body of record 
evidence thoroughly demonstrating ML’s out-of-state economic activities.83 
 
Outside of the Kalamazoo River oil spill, all those services were provided outside of Michigan, 
including the vast majority of the sales to Enbridge.  In 2010, ML received $15.6 million in 
revenue from Enbridge in Michigan due to the Kalamazoo Rive oil spill.  Between 2007 and 
2010, the time frame considered by KPMG, ML received at least $90 million in revenue from 
Enbridge contracts outside of Michigan.  
82 In his deposition, Banning explained that management at Vectren “thought the shale plays 
were going to be, you know, large.  [Vectren] never even looked at a shale play in Michigan at 
all.  Primarily Marcellus and the Utica in Ohio, Pennsylvania, West Virginia area, and then, you 
know, [Vectren] understood the Bakken [in North and South Dakota] from, you know, [ML’s] 
work and what they were doing from that perspective.”  Banning repeatedly emphasized that, in 
terms of future market growth, Vectren was looking at the “Marcellus and Bakken shale plays.”  
Vectren “did not specifically acquire [ML] to look at any shale plays other than Marcellus, Utica, 
and the Bakken,” none of which are located in Michigan.  In addition, Vectren wanted an 
“experienced management team” and prior relationships and experience with Enbridge, Koch, 
and Minnesota Pipeline, all of which are out-of-state companies to whom ML serviced almost 
entirely out-of-state for the duration of ML’s history.  See also note 53 of this opinion.  The 
limited value of Michigan and the Antrim formation was entirely unsurprising given that almost 
all of the nation’s shale extraction occurs outside of Michigan.  See note 8 of this opinion.   
83 Ante at 39 (majority opinion). 
 
 
45 
 
The Department’s argument, repeated in the majority opinion, is that ML advertised in a 
sales presentation that ML could at some point in the future develop into an undefined amount 
of business from Michigan and the Antrim shale formation.  It should be wholly unsurprising to 
anyone acquainted with standard business practice that a seller of an asset will emphasize any 
and all possible methods in which the asset could be used in a hypothetical future context.  That’s 
a standard sales pitch; it says absolutely nothing about where the economic value grew and is 
actually sourced.  The advertisement emphasized that Antrim was in ML’s geographic “sweet 
spot.”  But that is as accurate as it is unhelpful.  No one denies that ML’s central location of 
business was Minnesota and neighboring states.  Michigan and Minnesota are both located in 
the Midwest, which is the general geographical area the sales pamphlet was referring to.84  
Simply because ML could do business in Michigan does not mean that ML’s value as a company 
was actually developed in Michigan, or that Vectren primarily valued ML’s Michigan business.  
The actual value of the company, whether through real property, tangible property, or intangible 
property, was created almost entirely through business and locations outside of Michigan.85   
Along the same theme, the Department also relied on a leading question its attorney posed 
to Banning.  The attorney asked Banning if Michigan’s Antrim formation would have been a 
“plus” for Vectren in purchasing ML.  Unsurprisingly, Banning answered, “Sure.”  If anything, 
this amounts to a masterful non sequitur.  The Department asked a business executive if it would 
 
84 The sales report explained that “[a] significant amount of the Company’s work is concentrated 
in the Midwest which is a major pipeline crossroad connecting production in the Rocky 
Mountain and Western Canada regions with major markets in the Upper Midwest and east of the 
Mississippi.”  The report emphasized ML’s “core Great Plains and Midwest geographies” no 
less than 10 times.  
85 See notes 47 through 57 of this opinion (discussing the attribution of corporate assets).  
 
 
46 
 
be a “plus” if he made more money than previously expected, and the executive answered, 
“Sure.”  Such testimony says nothing of Banning’s uncontradicted testimony that Antrim and 
the Michigan market did not play a role in Vectren’s decision to purchase ML, nor does it change 
the fact that almost all ML’s property, services, and value were located outside of Michigan.   
And how could it be otherwise?  Under the logic of the Department and majority opinion, 
a state could attribute economic value on assets based on a theoretical projection on how assets 
could be used in an unknowable future.  Such a standard amounts to pure speculation and is 
wholly arbitrary.86  What markets the buyer is potentially interested in exploiting after a sale and 
a purchase of value would largely come down to the buyer’s subjective perspective and intent, 
which in this case indisputably did not include Michigan.  Under the Department’s theory of 
speculative future markets, Ohio, Pennsylvania, and West Virginia could all reasonably tax 70% 
of ML’s intangibles.  Those states, like Michigan, had limited interaction with ML in terms of 
actual business activity and construction of value.  Unlike Michigan, Vectren expressly 
considered those locations as important future opportunities.  
When attempting to sell an asset for the highest price possible, a seller may emphasize 
several potential uses that cannot in any practical manner be fully exploited.  A seller may say 
that a company could produce income from any number of sources, which if combined in 
aggregate can be orders of magnitude larger than what the company can actually perform.87   
 
86 See Container Corp, 463 US at 164-165 (explaining why the unitary business doctrine was 
adopted and its purpose of replacing accounting methods that are “subject to manipulation” and 
do not appropriately calculate the “transfers of value that take place among the components of a 
single enterprise”).  
87 If a seller of a food truck in Michigan pressed to a potential buyer that the buyer could use the 
truck to drive to California, Miami, or New York City this summer and sell food, no reasonable 
person would believe that, solely because of this comment, the economic value of the truck is, 
 
 
 
47 
 
That is why provable values of use and activity, not theories, hopes, and best wishes, underlie 
proper determinations of value.  Under accepted tax principles, property is sourced to its situs, 
sales are taxed at the location of sales, intangibles are sourced to the residence of the owner or 
where they are employed, goodwill is generally sourced to the location in which the company’s 
activities occurred and the goodwill was cultivated, and income is sourced with all these 
considerations in mind, including the location of the sale and the labor and property underlying 
the sale.88  The Department’s method of apportionment, sanctioned in the majority opinion, not 
only creates the serious risk of double taxation,89 it conflicts with basic economics.    
III.  CONCLUSION 
In providing invaluable services while responding to one of the largest interior oil spills 
in United States history, ML got caught in a web of Michigan corporate taxation.  In retrospect, 
ML should have done things differently.  It should not have taken the Enbridge contract, or it 
should have ceased its operations in Michigan during the 2011 short year, notwithstanding any 
 
in fact, located in California, Florida, and New York all at once.  It would be even more shocking 
if California, Florida, or New York seriously argued that a substantial portion of the income 
derived from the truck sale is taxable in those jurisdictions.  The unitary business principle does 
not in any way interfere with or undermine this basic reality of reasonable economic valuation.  
The majority opinion’s implication that ML’s owners may be held liable for advertising 
how their assets could be used at some future point in time is confounding, ante at 38 n 17, and 
merely distracts from the majority opinion’s reliance on suggestions in a sales presentation for 
its theory of economic value. 
88 See notes 32, 37, 45-48, 50-52, 54-57, 62-64, and 71 of this opinion.  
89 See, e.g., JD Adams, 304 US at 311 (holding that, when applying a tax without reasonable 
apportionment, “[i]nterstate commerce would thus be subjected to the risk of a double tax burden 
to which intrastate commerce is not exposed, and which the commerce clause forbids”); see also 
MeadWestvaco Corp, 553 US at 24-25 (explaining the dual nature of the Commerce Clause and 
Due Process Clause).  
 
 
48 
 
immediate need from the citizens or government of Michigan.  Alternatively, Vectren and other 
potential buyers of ML should have refused to purchase the company until ML’s operations in 
Michigan concluded.  And the demands of buyers would no doubt influence the behavior of a 
seller like ML.  Regarding tax planning going forward, an out-of-state company should not 
perform any major asset sale or corporate reorganization potentially triggering a taxable event 
while simultaneously providing unprecedented or emergency services in Michigan.  Taxpayers 
in ML’s position, which have minimal contacts with Michigan and have family owners who 
wish to sell after decades in the business, will no doubt favor the efficient sale of their company 
over investing in this state.  Such a tax environment will foster business uncertainty, increase the 
risk of double taxation, and establish a disincentive for interstate business in Michigan.  After 
today’s decision, out-of-state companies must remain exceedingly vigilant to limit and regulate 
their business operations in Michigan, lest unforgiving tax authorities seek an enormous 
apportionment in taxes.  Businesses, especially those providing emergency services, can decide 
for themselves whether they are comforted by the assurances in the majority opinion that 
disproportionate taxation in this case is “unlikely to repeat” itself.90 
As the unanimous panel of the Court of Appeals below held, such a result is not demanded 
by the law.  Michigan’s tax statutes expressly recognize the fact that standard methods of 
apportionment, which work well for retail and other regular business activities, can impose 
disproportionate and inaccurate attribution for individual taxpayers.  Statutes give the 
Department flexibility to pragmatically respond to taxpayers in the state and apply a fair 
apportionment calculation.  That should have been the case with ML, which by happenstance 
 
90 Ante at 6. 
 
 
49 
 
sold its entire company during an unusual three-month period in which nationwide sales were 
low and Michigan’s direct-to-consumer sales soared to unprecedented levels due to an 
environmental emergency.  Despite ML submitting a generous apportionment of 15% of the 
entire company, the Department refused to apply Michigan’s statutory safety valve for 
disproportionate taxation and instead imposed an extraordinary 70% apportionment.  The tax 
imposed by Michigan in the 2010 tax year is excessive and unreasonable given the underlying 
in-state value provided by ML’s activities.  It is unconstitutional.  
There are substantial limitations on taxpayers filing suit in federal court, but without 
federal guidance, states such as Michigan will continue to push the boundaries of interstate 
taxation.91  When revenue is in reach and budgets are strained, taxing authorities have little 
incentive for restraint.  As always, the most favored target for tax increases are foreigners.  Other 
states may respond, whether by inspiration or retaliation, and more businesses and individuals 
will be caught between two fires.  A sound and consistent system of interstate commerce will 
suffer as a result.  For the foregoing reasons, I dissent.  
 
 
Brian K. Zahra 
 
Elizabeth T. Clement 
 
91 See 28 USC 1341 (the Federal Tax Injunction Act); Levin v Commerce Energy, Inc, 560 US 
413, 424; 130 S Ct 2323; 176 L Ed 2d 1131 (2010) (“[B]ased on comity concerns . . . 42 U.S.C. 
§ 1983 does not permit federal courts to award damages in state taxation cases when state law 
provides an adequate remedy.”).  
S T A T E  O F  M I C H I G A N 
 
SUPREME COURT 
 
 
VECTREN INFRASTRUCTURE 
SERVICES CORP., successor in interest to 
MINNESOTA LIMITED, INC., 
 
 
Plaintiff-Appellee, 
 
 
v 
No. 163742 
 
DEPARTMENT OF TREASURY, 
 
 
 
Defendant-Appellant. 
 
 
 
VIVIANO, J. (dissenting). 
I dissent largely for the reasons laid out in Justice ZAHRA’s dissent, specifically its 
in-depth analysis of the facts.  That analysis demonstrates that Vectren, as the party 
challenging the tax, has met its burden of proving “by clear and cogent evidence that the 
income attributed to [Michigan under the statutory apportionment formula] is in fact out of 
all appropriate proportions to the business transacted in that State, or has led to a grossly 
distorted result.”  Container Corp of America v Franchise Tax Bd, 463 US 159, 170; 103 
S Ct 2933; 77 L Ed 2d 545 (1983) (cleaned up).1  As a result, Vectren is entitled to use a 
 
1 See also MCL 208.1309(3) (“The apportionment provisions [under Michigan’s business 
tax code] shall be rebuttably presumed to fairly represent the business activity attributed to 
the taxpayer in this state, taken as a whole and without a separate examination of the 
specific elements of either tax base unless it can be demonstrated that the business activity 
attributed to the taxpayer in this state is out of all appropriate proportion to the actual 
business activity transacted in this state and leads to a grossly distorted result or would 
operate unconstitutionally to tax the extraterritorial activity of the taxpayer.”). 
 
2 
 
reasonable “alternate method” of apportionment.2  I write to offer additional reasons why 
I believe that is so. 
Unlike Michigan, some states apply a three-factor formula for purposes of 
determining the amount of business income that is allocable to the state.  See Container 
Corp, 463 US at 170.3  The three factors that constitute the formula are payroll, property, 
and sales.  Id.  The United States Supreme Court has described the three-factor formula as 
“something of a benchmark against which other apportionment formulas are judged.”  Id.  
The formula, while imperfect, has “a powerful basis in economic theory” and “has gained 
wide approval precisely because payroll, property, and sales appear in combination to 
reflect a very large share of the activities by which value is generated.”  Id. at 183 & n 20.  
Additionally, the three-factor test can insulate what might otherwise be an unconstitutional 
apportionment when one factor offsets a potential distortion based on the other factors.  
Trinova Corp v Dep’t of Treasury, 433 Mich 141, 164; 445 NW2d 428 (1989) (holding an 
apportionment constitutional because the large “sales figure” “offset” the “very small 
 
2 What that method would be and how it would be determined are questions that would 
need to be answered on remand, if my view had prevailed.  See generally MCL 208.1309(1) 
and (2).   
3 Since Container Corp was decided, many states have adopted a single-factor sales 
formula.  See Federation of Tax Administrators, State Apportionment of Corporate Income 
 
(accessed 
July 28, 2023) [https://perma.cc/QL5C-6HVZ] (listing state apportionment formulas as of 
January 1, 2022); see generally Hellerstein, The Transformation of the State Corporate 
Income Tax into a Market-Based Levy, 130 J Taxation 4, 5 (2019) (discussing the history 
of state corporate income taxes and the transition from single-factor property formulas to 
the “equally weighted three-factor formula” of property, payroll, and sales to the present-
day trend of using single-factor sales formulas). 
 
3 
 
percentage of [the taxpayer’s] total business activity” represented by the payroll and 
property factors). 
On the other hand, the United States Supreme Court has been more critical of single-
factor formulas.  See Container Corp, 463 US at 182-183 (“Some methods of formula 
apportionment are particularly problematic because they focus on only a small part of the 
spectrum of activities by which value is generated.  Although we have generally upheld 
the use of such formulas, we have on occasion found the distortive effect of focusing on 
only one factor so outrageous in a particular case as to require reversal.”) (citation omitted).  
Particularly relevant to this case, the Court has “expressed doubts about the wisdom of the 
economic assumptions underlying the [single-factor sales] formula and noted that its use 
in the context of the more prevalent three-factor formula would not advance the policies 
underlying the Commerce Clause.”  Moorman Mfg Co v Bair, 437 US 267, 275 n 8; 98 S 
Ct 2340; 57 L Ed 2d 197 (1978).  Despite its criticisms of the single-factor sales test, 
however, the Court has “made clear that it did ‘not mean to take any position on the 
constitutionality of a state income tax based on the sales factor alone.’ ”  Id. at 275, quoting 
Gen Motors Corp v Dist of Columbia, 380 US 553, 561; 85 S Ct 1156; 14 L Ed 2d 68 
(1965).  Indeed, the Court rejected a categorical challenge to the use of a single-factor sales 
formula in Moorman, 437 US at 276. 
Thus, while application of a three-factor formula is not constitutionally required, it 
is a helpful benchmark for determining whether application of a different formula attributes 
income in a way that is “out of all appropriate proportions to the business transacted in 
 
4 
 
th[e] State, or has led to a grossly distorted result.”  Container Corp, 463 US at 170 (cleaned 
up).4 
When a unitary business, such as Vectren, is challenging a state’s application of its 
statutory apportionment formula, the business generally cannot invoke “separate 
geographical accounting” to challenge apportionability.  Mobil Oil Corp v Comm’r of 
Taxes of Vermont, 445 US 425, 438; 100 S Ct 1223; 63 L Ed 2d 510 (1980).  However, 
when considering the question of proper apportionment, “evidence may always be received 
which tends to show that a state has applied a method, which, albeit fair on its face, operates 
so as to reach profits which are in no just sense attributable to transactions within its 
jurisdiction.”  Hans Rees’ Sons, Inc v North Carolina, 283 US 123, 134; 51 S Ct 385; 75 
L Ed 879 (1931).5 
 
4 When measuring the extent of distortion, the Supreme Court has looked to “the percentage 
increase in taxable income attributable to [the state] between the methodology employed 
by [the taxpayer] and the methodology employed by” the state.  Id. at 184.  See generally 
Hellerstein & Hellerstein, State Taxation (3d ed, May 2023 update), § 8.16[5] (“Insofar as 
the extent of distortion is relevant to the constitutionality of the application of an 
apportionment formula, it becomes important to determine the appropriate means of 
measuring the distortion. . . .  In [Container Corp], the Court established the proper 
standard for determining the percentage of distortion—namely, comparing the percentage 
differences between the application of the different methodologies.”).  It would have been 
helpful for Vectren to have provided a comparison of the application of the statutory 
apportionment with the apportionment that would have resulted from application of the 
benchmark three-factor test instead of merely providing a comparison to what appears to 
be a novel alternative apportionment of including the sale of ML’s assets in the 
denominator of the sales factor.  But because it is clear that application of the statutory 
apportionment is out of all appropriate proportions or leads to a grossly distorted result, I 
do not find this failure fatal to Vectren’s position. 
5 See generally Hellerstein & Hellerstein, § 8.16[1] (“Hans Rees does stand for the 
proposition that separate accounting evidence of the geographic source of income is 
probative of unconstitutional distortion if the difference between the result under separate 
accounting and the result under formulary apportionment is sufficiently great—‘out of all 
 
5 
 
As explained by Justice ZAHRA, Vectren provided extensive evidence that the sale 
value of Minnesota Limited Inc. (ML) was generated from assets and activities almost 
entirely outside of Michigan.  The asset sale was not included in either the numerator or 
the denominator of the single-factor sales formula.  Rather, it was included only in the 
business income portion of the formula.  In other words, although the statutory 
apportionment formula treated the sale as taxable income, it completely failed to consider 
whether the profits from the sale were in any “just sense attributable to transactions within” 
Michigan.  Hans Rees’ Sons, 283 US at 134.6  And because sales constitute the only factor, 
the formula is incapable of accounting for other variables to offset this distortion.  Cf. 
Trinova, 433 Mich at 164. 
The majority relies on State Tax Assessor v Kraft Foods Group, Inc, 235 A3d 837; 
2020 ME 81 (2020), in which the Maine Supreme Judicial Court upheld the state’s 
application of its statutory single-factor sales formula to assess tax on Kraft’s sale of a 
portion of its business to another company.  Ante at 27.  More specifically, the majority 
 
appropriate proportion’ to the taxpayer’s activities in the taxing state.”), quoting Hans 
Rees’ Sons, 283 US at 135. 
6 Some commentators have recognized that the United States Supreme Court has not 
recently invalidated an apportionment formula on the basis of it producing a gross 
distortion.  See, e.g., Hellerstein & Hellerstein, § 8.16[1].  However, these same 
commentators have intimated that single-factor formulas might be more susceptible to a 
constitutional challenge than the benchmark three-factor formula.  See, e.g., id. at § 8.15 
(“Whatever may be the difficulties of showing the unfairness of an apportionment when a 
state employs [a] single-factor formula, those difficulties are exacerbated with a multifactor 
formula, particularly the once familiar three-factor formula of property, payroll, and 
sales . . . .”); id. at § 8.16[6] (raising “the question whether the application of the states’ 
single-factor sales formulas will be more vulnerable to claims of unconstitutional distortion 
than the three-factor formulas that states generally employed for many years”). 
 
6 
 
analogizes ML’s substantial spike in income from the sale of its assets to Vectren to the 
spike in income derived from the sale in Kraft Foods Group.  The Maine Supreme Judicial 
Court opined, “The fact that Kraft’s net income in 2010 was much greater than in previous 
years does not support the conclusion that the sales factor itself does not fairly represent 
the extent of the taxpayer’s business activity in Maine.”  Kraft Foods Group, 235 A3d at 
844 (cleaned up).  The majority concludes that the same is true here. 
But the majority ignores a key part of the Maine Supreme Judicial Court’s rationale 
for concluding that the spike in income did not render the sales factor unconstitutional:  
Kraft’s Maine sales factor for 2010 was 0.007026 (0.7026%), which falls 
right between its 2008 and 2009 sales factors—0.006971 (0.6971%) and 
0.007370 (0.7370%), respectively.  This demonstrates that the extent of 
Kraft’s business activities in Maine did not change significantly during those 
years.  Although Kraft’s total taxable income in 2010 was substantially larger 
than in previous years because of the sale, the sales factor, which represents 
Kraft’s business activity in Maine relative to its total business activity, 
remained consistent with the sales factors from other tax years.”  [Id.] 
The court made clear that “[t]he question is not whether the sales factor fairly represents 
the sale income; the question is whether the sales factor fairly represents the extent of 
Kraft’s business activity in Maine.”  Id. at 845.  Thus, it rejected Kraft’s argument “that 
the ‘unusual, non-recurring, and extraordinary [spike in income from the sale of part of its 
business] cannot be fairly represented by a single-sales factor formula determined in 
principal part by gross receipts from Kraft’s day-to-day food product sales.’ ”  Id. 
In contrast here, and as the Court of Appeals recognized, the Michigan sales factor 
during the 2011 short tax year is far from consistent with the sales factors from previous 
years.  The sales factor went from less than 1% in 2007 and 2008 to 18.5% in 2009, then 
to 39.3% in 2010, and finally to 70% in the 2011 short tax year.  The purpose of the 
 
7 
 
statutory sales factor is to provide a “rough approximation of a corporation’s income that 
is reasonably related to the activities conducted within the taxing State.”  Moorman, 437 
US at 273.  As the Maine Supreme Judicial Court recognized, when the sales factor is 
consistent over the years and accurately reflects the extent of the business’s activity in the 
state, that purpose is achieved.  Kraft Foods Group, 235 A3d at 844.  However, when the 
sales factor varies, that might be an indication that it does not accurately reflect those 
activities, and therefore the proxy is less reliable.  Thus, while the sales factor was a reliable 
proxy to determine how much of the company’s income is attributable to Maine in Kraft 
Foods Group, the same cannot be said in this case.  To be clear, the question is not whether 
application of the single-factor sales formula “fairly represents” the income from the sale 
of ML’s assets to Vectren.  Id. at 845.  Rather, the question is does application of that 
formula “fairly represent[] the extent of [ML’s] business activity in” the state?  Id.  For the 
reasons stated above, I would conclude that the answer is “No.” 
For the reasons outlined above and those in Justice ZAHRA’s dissenting opinion, I 
would hold that Vectren has proved by “clear and cogent evidence that the income 
attributed to [Michigan under the statutory apportionment formula] is in fact out of all 
appropriate proportions to the business transacted in that State, or has led to a grossly 
distorted result.”  Container Corp, 463 US at 170 (cleaned up).  I respectfully dissent. 
 
 
David F. Viviano