Wis. Stat. § 71.42 — WI Code / Chapter 71 / Section 71.42
Definitions.
Status: in_force

In this subchapter:

(1b) “Aggregate effective tax rate” means the sum of the effective tax rates imposed by a state, U.S. possession, foreign country, or any combination thereof, on the person or entity.

(1g) “Corporation” means insurance corporations, insurance joint stock companies, insurance associations and insurance common law trusts, unless the context requires otherwise.

(1m) “Department” means the department of revenue.

(1s) “Effective tax rate” means the maximum tax rate imposed by the state, U.S. possession, or foreign country, multiplied by the apportionment percentage, if any, applicable to the person or entity under the laws of that state, U.S. possession, or foreign country.

(1sg) For purposes of ss. 71.45 (2) (a) 16. and 18. and 71.255 (2) (d) 1. , “intangible expenses” include the following, to the extent that the amounts would otherwise be deductible in computing net income under the Internal Revenue Code, as adjusted under s. 71.45 (2) :

(a) Expenses, losses, and costs for, related to, or directly or indirectly in connection with the acquisition, use, maintenance, management, ownership, sale, exchange, or any other disposition of intangible property.

(b) Losses related to, or incurred in connection directly or indirectly with, factoring transactions or discounting transactions.

(c) Royalty, patent, technical, and copyright fees.

(d) Licensing fees.

(e) Other similar expenses, losses, and costs.

(1sh) “Intangible property” includes stocks, bonds, financial instruments, patents, patent applications, trade names, trademarks, service marks, copyrights, mask works, trade secrets, and similar types of intangible assets.

(1t) For purposes of ss. 71.45 (2) (a) 16. and 18. and 71.255 (2) (d) 1. , “interest expenses” means interest that would otherwise be deductible under section 163 of the Internal Revenue Code, as adjusted under s. 71.45 (2) .

(2)

(L)

1. For taxable years beginning after December 31, 2017, and before January 1, 2021, “Internal Revenue Code” means the federal Internal Revenue Code as amended to December 31, 2017, except as provided in subds. 2. to 4. and s. 71.98 , and subject to subd. 5.

2. For purposes of this paragraph, “Internal Revenue Code” does not include the following provisions of federal public laws for taxable years beginning after December 31, 2017: sections 1, 3, 4, and 5 of P.L. 106-519 ; sections 101, 102, and 422 of P.L. 108-357 ; sections 1310 and 1351 of P.L. 109-58 ; section 11146 of P.L. 109-59 ; section 403 (q) of P.L. 109-135 ; section 513 of P.L. 109-222 ; section 104 of P.L. 109-432 ; sections 8233 and 8235 of P.L. 110-28 ; section 11 (e) and (g) of P.L. 110-172 ; section 301 of P.L. 110-245 ; section 15351 of P.L. 110-246 ; section 302 of division A, section 401 of division B, and sections 312, 322, 502 (c), 707, and 801 of division C of P.L. 110-343 ; sections 1232, 1251, 1501, and 1502 of division B of P.L. 111-5 ; sections 211, 212, 213, 214, and 216 of P.L. 111-226 ; section 2122 of P.L. 111-240 ; sections 754 and 760 of P.L. 111-312 ; sections 104, 318, 322, 323, 326, 327, and 411 of P.L. 112-240 ; P.L. 114-7 ; section 1101 of P.L. 114-74 ; section 305 of division P of P.L. 114-113 ; sections 123, 125 to 128, 143, 144, 151 to 153, 165 to 167, 169 to 171, 189, 191, 326, and 411 of division Q of P.L. 114-113 ; and sections 11011, 11012, 13201 (a) to (e) and (g), 13206, 13221, 13301, 13304 (a), (b), and (d), 13531, 13601, 13801, 14101, 14102, 14103, 14201, 14202, 14211, 14212, 14213, 14214, 14215, 14221, 14222, 14301, 14302, 14304, and 14401 of P.L. 115-97 .

3. For purposes of this paragraph, “Internal Revenue Code” does not include amendments to the federal Internal Revenue Code, including provisions of federal public laws that directly or indirectly affect the Internal Revenue Code, enacted after December 31, 2017, except that “Internal Revenue Code” includes sections 40307, 40413, and 41113 of P.L. 115-123 ; sections 101 (m), (n), (o), (p), and (q), 104 (a), 109, 401 (a) (54) and (b) (15) (A), (B), and (C) 19, 20, 23, 26, 27, and 28 of division U of P.L. 115-141 ; sections 102 and 104 of division M, sections 102, 103, 106, 107, 108, 109, 110, 111, 113, 114, 115, 116, 201, 204, 205, 206, 302, 401, and 601 of division O, section 1302 of division P, and sections 131, 202 (d), and 205 of division Q of P.L. 116-94 ; sections 1106, 2202, 2203, 2204, 2205, 2206, 2307, 3608, 3609, 3701, and 3702 of division A of P.L. 116-136 ; sections 202, 208, 209, 211, and 214 of division EE and sections 276 (a) and (b), 277, 278 (a), (b), (c), and (d), 280, and 285 of division N of P.L. 116-260 ; and sections 9701, 9702, 9703, 9704, 9705, 9706, and 9707 of P.L. 117-2 .

4. For purposes of this paragraph, the provisions of federal public laws that directly or indirectly affect the Internal Revenue Code, as defined in this paragraph, apply for Wisconsin purposes at the same time as for federal purposes, except as follows:

a. Changes made by P.L. 115-63 and sections 11026, 11027, 11028, 13207, 13306, 13307, 13308, 13311, 13312, 13501, 13705, 13821, and 13823 of P.L. 115-97 first apply for taxable years beginning after December 31, 2017.

b. Changes made by section 1201 of P.L. 108-173 and section 307 of P.L. 109-432 first apply for taxable years beginning after December 31, 2010.

c. Changes made by section 13113 of P.L. 103-66 ; section 1241 of division B of P.L. 111-5 ; section 2011 of P.L. 111-240 ; section 753 of P.L. 111-312 ; and section 324 of P.L. 112-240 first apply for taxable years beginning after December 31, 2018.

5. For purposes of this paragraph, “Internal Revenue Code” does not include section 847 of the federal Internal Revenue Code.

(m)

1. For taxable years beginning after December 31, 2020, and before January 1, 2023, “Internal Revenue Code” means the federal Internal Revenue Code as amended to December 31, 2020, except as provided in subds. 2. and 3. and s. 71.98 , and subject to subd. 4.

2. For purposes of this paragraph, “Internal Revenue Code” does not include the following provisions of federal public laws for taxable years beginning after December 31, 2020: sections 1, 3, 4, and 5 of P.L. 106-519 ; sections 101, 102, and 422 of P.L. 108-357 ; sections 1310 and 1351 of P.L. 109-58 ; section 11146 of P.L. 109-59 ; section 403 (q) of P.L. 109-135 ; section 513 of P.L. 109-222 ; section 104 of P.L. 109-432 ; sections 8233 and 8235 of P.L. 110-28 ; section 11 (e) and (g) of P.L. 110-172 ; section 301 of P.L. 110-245 ; section 15351 of P.L. 110-246 ; section 302 of division A, section 401 of division B, and sections 312, 322, 502 (c), 707, and 801 of division C of P.L. 110-343 ; sections 1232, 1251, 1501, and 1502 of division B of P.L. 111-5 ; sections 211, 212, 213, 214, and 216 of P.L. 111-226 ; section 2122 of P.L. 111-240 ; sections 754 and 760 of P.L. 111-312 ; sections 104, 318, 322, 323, 326, 327, and 411 of P.L. 112-240 ; P.L. 114-7 ; section 1101 of P.L. 114-74 ; section 305 of division P of P.L. 114-113 ; sections 123, 125 to 128, 143, 144, 151 to 153, 165 to 167, 169 to 171, 189, 191, 326, and 411 of division Q of P.L. 114-113 ; sections 11011, 11012, 13201 (a) to (e) and (g), 13206, 13221, 13301, 13304 (a), (b), and (d), 13531, 13601, 13801, 14101, 14102, 14103, 14201, 14202, 14211, 14212, 14213, 14214, 14215, 14221, 14222, 14301, 14302, 14304, and 14401 of P.L. 115-97 ; sections 40304, 40305, 40306, and 40412 of P.L. 115-123 ; section 101 (c) of division T of P.L. 115-141 ; sections 101 (d) and (e), 102, 201 to 207, 301, 302, and 401 (a) (47) and (195), (b) (13), (17), (22) and (30), and (d) (1) (D) (v), (vi), (xiii), and (xvii) (II) of division U of P.L. 115-141 ; sections 104, 114, 115, 116, 130, and 145 of division Q of P.L. 116-94 ; sections 2304 and 2306 of P.L. 116-136 ; and sections 111, 114, 115, 116, 118 (a) and (d), 133, 137, 138, and 210 of division EE of P.L. 116-260 .

3. For purposes of this paragraph, “Internal Revenue Code” does not include amendments to the federal Internal Revenue Code, including provisions of federal public laws that directly or indirectly affect the Internal Revenue Code, enacted after December 31, 2020, except that “Internal Revenue Code” includes sections 9671, 9701, 9702, 9703, 9704, 9705, 9706, and 9707 of P.L. 117-2 ; and sections 80501, 80504, and 80602 of division H of P.L. 117-58 .

4. For purposes of this paragraph, the provisions of federal public laws that directly or indirectly affect the Internal Revenue Code, as defined in this paragraph, apply for Wisconsin purposes at the same time as for federal purposes, except as follows:

a. Changes made by sections 20101, 20102, 20104, 20201, 40201, 40202, 40203, 40308, 40309, 40311, 40414, 41101, 41107, 41114, 41115, and 41116 of P.L. 115-123 ; section 101 (a), (b), and (h) of division U of P.L. 115-141 ; section 1203 of P.L. 116-25 ; section 1122 of P.L. 116-92 ; section 301 of division O, section 1302 of division P, and sections 101, 102, 103, 117, 118, 132, 201, 202 (a), (b), and (c), 204 (a), (b), and (c), 301, and 302 of division Q of P.L. 116-94 ; section 2 of P.L. 116-98 ; and sections 301, 302, and 304 of division EE of P.L. 116-260 apply for taxable years beginning after December 31, 2020.

b. Changes made by section 1201 of P.L. 108-173 and section 307 of P.L. 109-432 first apply for taxable years beginning after December 31, 2010.

(n)

1. For taxable years beginning after December 31, 2022, “Internal Revenue Code” means the federal Internal Revenue Code as amended to December 31, 2022, except as provided in subds. 2. and 3. and s. 71.98 , and subject to subd. 4.

2. For purposes of this paragraph, “Internal Revenue Code” does not include the following provisions of federal public laws for taxable years beginning after December 31, 2022: sections 1, 3, 4, and 5 of P.L. 106-519 ; sections 101, 102, and 422 of P.L. 108-357 ; sections 1310 and 1351 of P.L. 109-58 ; section 11146 of P.L. 109-59 ; section 403 (q) of P.L. 109-135 ; section 513 of P.L. 109-222 ; section 104 of P.L. 109-432 ; sections 8233 and 8235 of P.L. 110-28 ; section 11 (e) and (g) of P.L. 110-172 ; section 301 of P.L. 110-245 ; section 15351 of P.L. 110-246 ; section 302 of division A, section 401 of division B, and sections 312, 322, 502 (c), 707, and 801 of division C of P.L. 110-343 ; sections 1232, 1251, 1501, and 1502 of division B of P.L. 111-5 ; sections 211, 212, 213, 214, and 216 of P.L. 111-226 ; section 2122 of P.L. 111-240 ; sections 754 and 760 of P.L. 111-312 ; sections 104, 318, 322, 323, 326, 327, and 411 of P.L. 112-240 ; P.L. 114-7 ; section 1101 of P.L. 114-74 ; section 305 of division P of P.L. 114-113 ; sections 123, 125 to 128, 143, 144, 151 to 153, 165 to 167, 169 to 171, 189, 191, 326, and 411 of division Q of P.L. 114-113 ; sections 11011, 11012, 13201 (a) to (e) and (g), 13206, 13221, 13301, 13304 (a), (b), and (d), 13531, 13601, 13801, 14101, 14102, 14103, 14201, 14202, 14211, 14212, 14213, 14214, 14215, 14221, 14222, 14301, 14302, 14304, and 14401 of P.L. 115-97 ; sections 40304, 40305, 40306, and 40412 of P.L. 115-123 ; section 101 (c) of division T of P.L. 115-141 ; sections 101 (d) and (e), 102, 201 to 207, 301, 302, and 401 (a) (47) and (195), (b) (13), (17), (22) and (30), and (d) (1) (D) (v), (vi), (xiii), and (xvii) (II) of division U of P.L. 115-141 ; sections 104, 114, 115, 116, 130, and 145 of division Q of P.L. 116-94 ; sections 2304 and 2306 of P.L. 116-136 ; sections 111, 114, 115, 116, 118 (a) and (d), 133, 137, 138, and 210 of division EE of P.L. 116-260 ; sections 5003, 9041, 9673, 9675, and 9708 of P.L. 117-2 ; section 307 of division P of P.L. 117-103 ; section 13903 (b) of P.L. 117-169 ; and section 4151 of division FF of P.L. 117-328 .

3. For purposes of this paragraph, “Internal Revenue Code” does not include amendments to the federal Internal Revenue Code, including provisions of federal public laws that directly or indirectly affect the Internal Revenue Code, enacted after December 31, 2022.

4. For purposes of this paragraph, the provisions of federal public laws that directly or indirectly affect the Internal Revenue Code, as defined in this paragraph, apply for Wisconsin purposes at the same time as for federal purposes, except as follows:

a. Changes made by sections 5001, 5002, 5005, 9623, 9624, and 9672 of P.L. 117-2 ; section 2 of P.L. 117-6 ; and sections 80401, 80402, and 80601 of division H of P.L. 117-58 apply for taxable years beginning after December 31, 2022.

b. Changes made by section 1201 of P.L. 108-173 and section 307 of P.L. 109-432 apply for taxable years beginning after December 31, 2010.

(2m) Notwithstanding sub. (2) , a qualified retirement fund for a taxable year for federal income tax purposes is a qualified retirement fund for the taxable year for purposes of this subchapter.

(2s) “Last day prescribed by law” has the meaning given in s. 71.738 .

(3) “Life insurance” includes annuities.

(3c) For purposes of s. 71.45 (2) (a) 16. and 18. , “management fees” include expenses and costs, not including interest expenses, pertaining to accounts receivable, accounts payable, employee benefit plans, insurance, legal matters, payroll, data processing, purchasing, taxation, financial matters, securities, accounting, or reporting and compliance matters or similar activities, to the extent that the amounts would otherwise be deductible in determining net income under the Internal Revenue Code as adjusted under s. 71.45 (2) .

(3d) “Member” does not include a member of a limited liability company treated as a corporation under s. 71.22 (1k) .

(3h) “Partner” does not include a partner of a publicly traded partnership treated as a corporation under s. 71.22 (1k) .

(3m) “Pay” means mail or deliver funds to the department or, if the department prescribes another method of payment or another destination, use that other method or submit to that other destination.

(4) “Person” includes corporations, unless the context requires otherwise.

(4d) “Qualified real estate investment trust” has the meaning given in s. 71.22 (9ad) .

(4m) “Related entity” means any person related to a taxpayer as provided under section 267 or 1563 of the Internal Revenue Code during all or a portion of the taxpayer’s taxable year and any real estate investment trust under section 856 of the Internal Revenue Code, except a qualified real estate investment trust, if more than 50 percent of any class of the beneficial interests or shares of the real estate investment trust are owned directly, indirectly, or constructively by the taxpayer, or any person related to the taxpayer, during all or a portion of the taxpayer’s taxable year. For purposes of this subsection, the constructive ownership rules of section 318 (a) of the Internal Revenue Code, as modified by section 856 (d) (5) of the Internal Revenue Code, shall apply in determining the ownership of stock, assets, or net profits of any person.

(4n) For purposes of s. 71.45 (2) (a) 16. and 18. , “rental expenses” means the gross amounts that would otherwise be deductible under the Internal Revenue Code, as adjusted under s. 71.45 (2) , for the use of, or the right to use, real property and tangible personal property in connection with real property, including services furnished or rendered in connection with such property, regardless of how reported for financial accounting purposes and regardless of how computed.

(5) “Taxable year” has the meaning under s. 71.22 (10) .

History: 1987 a. 312 ; 1987 a. 411 ss. 5 , 148 , 149 ; 1989 a. 31 , 336 ; 1991 a. 39 , 269 ; 1993 a. 16 , 437 ; 1995 a. 27 , 380 , 428 ; 1997 a. 27 , 37 , 237 ; 1999 a. 9 , 194 ; 2001 a. 16 , 109 ; 2003 a. 33 ; 2005 a. 25 , 49 ; 2007 a. 20 , 226 ; 2009 a. 2 , 28 , 161 , 183 ; 2011 a. 32 ; 2013 a. 20 ; 2015 a. 55 , 216 ; 2017 a. 59 , 231 ; 2019 a. 185 ; 2021 a. 1 ; 2023 a. 36 ; 2025 a. 118 , 129 .