**UNITED STATESSECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 10-K**

(Mark One)

**x****  ANNUAL REPORT PURSUANT TO SECTION13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For the fiscal year ended December 31, 2019or**

**o**** ****TRANSITIONREPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For the transition period from _____ to _____Commission file number of the issuing entity: 333-227081-03**

**Central Index Key Number of the issuing entity:0001786008**

**CSAIL 2019-C17 Commercial MortgageTrust**

**(exact name of the issuing entity as specified in itscharter)**

** **

**Central Index Key Number of the depositor: 0001654060**

**Credit Suisse Commercial MortgageSecurities Corp.**

**(exact name of the depositor as specified in itscharter)**

** **

**Central Index Key Number of the sponsor: 0001628601**

**Column Financial, Inc.**

**(exact name of the sponsor as specified in its charter)**

** **

**Central Index Key Number of the sponsor: 0001767304**

**Grass River Real Estate CreditPartners Loan Funding, LLC**

**(exact name of the sponsor as specified in its charter)**

**(d/b/a 3650 REIT)**

** **

**Central Index Key Number of the sponsor: 0001755531**

**Societe Generale FinancialCorporation**

**(exact name of the sponsor as specified in its charter)**

** **

**Central Index Key Number of the sponsor: 0001685185**

**UBS AG, acting through its branchlocated at 1285 Avenue of the Americas, New York, New York**

**(exact name of the sponsor as specified in its charter)**

** **

| **New York****(State or other jurisdiction of  incorporation or organization of**

**the issuing entity)** | **38-4123693**

**38-4123694**

**38-7221371**

**(I.R.S. Employer**

**Identification Numbers)** |
|------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------|

**c/o Wells Fargo Bank, National Association**

**as Certificate Administrator**

**9062 Old Annapolis Road**

**Columbia, MD**

**(Address of principalexecutive offices of the issuing entity)**

**21045**

**(Zip Code)**

**Registrant’s telephone number,including area code:**

**(212) 272-6858**

Securities registered pursuant to Section 12(b) of the Act:

| Title of each class | Trading Symbol(s) | Name of each exchange on which registered |
|---------------------|-------------------|-------------------------------------------|
| None                |              |                                      |

Securities registered pursuant to Section 12(g) of theAct:  None.

Indicate by check mark if the registrant is a well-knownseasoned issuer, as defined in Rule 405 of the Securities Act.  o Yes ⌧No

Indicate by check mark if the registrant is not required tofile reports pursuant to Section 13 or Section 15(d) of the Act.  o Yes ⌧No

Indicate by check mark whether the registrant (1) has filedall reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter periodthat the registrant was required to file such reports), and (2) has beensubject to such filing requirements for the past 90 days.  ⌧ Yes oNo

Indicate by check mark whether the registrant has submittedelectronically and posted on its corporate Web site, if any, every InteractiveData File required to be submitted and posted pursuant to Rule 405 ofRegulation S-T (Section 232.405 of this chapter) during the preceding 12 months(or for such shorter period that the registrant was required to submit and postsuch files).

Not applicable.

Indicate by check mark if disclosure of delinquent filerspursuant to Item 405 of Regulation S-K (Section 229.405 of this chapter) is notcontained herein, and will not be contained, to the best of registrant’sknowledge, in definitive proxy or information statements incorporated byreference in Part III of this Form 10-K or any amendment to this Form10-K.   

Not applicable.

Indicate by check mark whether the registrant is a largeaccelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “largeaccelerated filer,” “accelerated filer,” “smaller reporting company,” and“emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer       o                                       Acceleratedfiler                                                                        o

Non-acceleratedfiler         ⌧  (Do not check if a smaller reportingcompany)                                       Smaller reportingcompany                                                        o

                                                                              Emerging growthcompany                                                        o

If an emerging growth company, indicate by check mark if theregistrant has elected not to use the extended transition period for complyingwith any new or revised financial accounting standards provided pursuant toSection 13(a) of the Exchange Act.  o

Indicate by check mark whether the registrant is a shellcompany (as defined in Rule 12b-2 of the Act).  o Yes ⌧ No

State the aggregate market value of the voting and non-votingcommon equity held by non-affiliates computed by reference to the price atwhich the common equity was last sold, or the average bid and asked price ofsuch common equity, as of the last business day of the registrant’s most recentlycompleted second fiscal quarter.

Not applicable.

Indicate by check mark whether the registrant has filed alldocuments and reports required to be filed by Section 12, 13 or 15(d) of theSecurities Exchange Act of 1934 subsequent to the distribution of securitiesunder a plan confirmed by a court.  oYes oNo

Not applicable.

Indicate the number of shares outstanding of each of theregistrant’s classes of common stock, as of the latest practicable date.

Not applicable.

**DOCUMENTS INCORPORATED BY REFERENCE**

** **

List hereunder the following documents if incorporated byreference and the Part of the Form 10-K (e.g., Part I, Part II, etc.) intowhich the document is incorporated: (1) Any annual report to security holders;(2) Any proxy or information statement; and (3) Any prospectus filed pursuantto Rule 424(b) or (c) under the Securities Act of 1933. The listed documentsshould be clearly described for identification purposes (e.g., annual report tosecurity holders for fiscal year ended December 24, 1980).

Not applicable.

 

** **

**EXPLANATORY NOTES**

The Selig Office Portfolio Mortgage Loan, theFarmers Insurance Mortgage Loan, the Renaissance Plano Mortgage Loan, the APXMorristown Mortgage Loan and the Bison Portfolio Mortgage Loan, whichconstituted approximately 9.4%, 7.5%, 5.6%, 5.0% and 2.5%, respectively, of theasset pool of the issuing entity as of its cut-off date, are each an asset ofthe issuing entity and are each part of a loan combination that includes theSelig Office Portfolio Mortgage Loan, the Farmers Insurance Mortgage Loan, theRenaissance Plano Mortgage Loan, the APX Morristown Mortgage Loan or the BisonPortfolio Mortgage Loan which are assets of the issuing entity and one other *paripassu* loan, which is not an asset of the issuing entity. These loancombinations, including the Selig Office Portfolio Mortgage Loan, the FarmersInsurance Mortgage Loan, the Renaissance Plano Mortgage Loan, the APXMorristown Mortgage Loan and the Bison Portfolio Mortgage Loan, are beingserviced and administered pursuant to the Pooling and Servicing Agreement,which is incorporated by reference as Exhibit 4.1 to this Annual Report on Form10-K. 

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on theExhibit Index) with respect to the Desert Marketplace Mortgage Loan, whichconstituted approximately 1.2% of the asset pool of the issuing entity as ofits cut-off date.  The Desert Marketplace Mortgage Loan is an asset of theissuing entity and is part of a loan combination that includes the DesertMarketplace Mortgage Loan and one other *pari passu* loan, which is not anasset of the issuing entity. The other *pari passu* portion of the loancombination was securitized in the CSAIL 2019-C15 Commercial MortgageTrust  transaction, Commission File Number 333-227081-01 (the “CSAIL2019-C15 Transaction”). This loan combination, including the DesertMarketplace Mortgage Loan, is being serviced and administered pursuant to thepooling and servicing agreement for the CSAIL 2019-C15 Transaction, which isincorporated by reference as Exhibit 4.2 to this Annual Report on Form 10-K.

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on theExhibit Index) with respect to the Great Wolf Lodge Southern CaliforniaMortgage Loan, which constituted approximately 2.5% of the asset pool of theissuing entity as of its cut-off date.  The Great Wolf Lodge SouthernCalifornia Mortgage Loan is an asset of the issuing entity and is part of aloan combination that includes the Great Wolf Lodge Southern CaliforniaMortgage Loan and five other *pari passu* loans and one subordinatecompanion loan, which are not assets of the issuing entity. A *pari passu*portion of the loan combination was securitized in the Wells Fargo CommercialMortgage Trust 2019-C50 transaction, Commission File Number 333-226486-05 (the“WFCM 2019-C50 Transaction”). This loan combination, including the GreatWolf Lodge Southern California Mortgage Loan, is being serviced andadministered pursuant to the pooling and servicing agreement for the WFCM2019-C50 Transaction, which is incorporated by reference as Exhibit 4.3 to thisAnnual Report on Form 10-K.

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on theExhibit Index) with respect to the Grand Canal Shoppes Mortgage Loan, whichconstituted approximately 3.7% of the asset pool of the issuing entity as ofits cut-off date.  The Grand Canal Shoppes Mortgage Loan is an asset ofthe issuing entity and is part of a loan combination that includes the GrandCanal Shoppes Mortgage Loan and twenty-three other *pari passu* loans andone subordinate companion loan, which are not assets of the issuing entity. A *paripassu* portion of the loan combination was securitized in the Morgan StanleyCapital I Trust 2019-H7 transaction, Commission File Number 333-227446-05 (the“MSC 2019-H7 Transaction”). This loan combination, including the GrandCanal Shoppes Mortgage Loan, is being serviced and administered pursuant to thepooling and servicing agreement for the MSC 2019-H7 Transaction, which isincorporated by reference as Exhibit 4.4 to this Annual Report on Form 10-K.

The Exhibit Index describesexhibits provided by certain parties (in their capacities indicated on theExhibit Index) with respect to the ExchangeRight Net Leased Portfolio 28Mortgage Loan, which constituted approximately 2.5% of the asset pool of theissuing entity as of its cut-off date.  The ExchangeRight Net LeasedPortfolio 28 Mortgage Loan is an asset of the issuing entity and is part of aloan combination that includes the ExchangeRight Net Leased Portfolio 28Mortgage Loan and one other *pari passu* loan, which is not an asset ofthe issuing entity. The other *pari passu* portion of the loan combinationwas securitized in the BBCMS Mortgage Trust 2019-C4 transaction, CommissionFile Number 333-226850-03 (the “BBCMS 2019-C4 Transaction”). This loancombination, including the ExchangeRight Net Leased Portfolio 28 Mortgage Loan,is being serviced and administered pursuant to the pooling and servicingagreement for the BBCMS 2019-C4 Transaction, which is incorporated by referenceas Exhibit 4.5 to this Annual Report on Form 10-K.

The Exhibit Index describes exhibitsprovided by certain parties (in their capacities indicated on the ExhibitIndex) with respect to the Blackmore Marketplace Mortgage Loan, whichconstituted approximately 1.2% of the asset pool of the issuing entity as ofits cut-off date.  The Blackmore Marketplace Mortgage Loan is an asset ofthe issuing entity and is part of a loan combination that includes theBlackmore Marketplace Mortgage Loan and one other *pari passu* loan, whichis not an asset of the issuing entity. This loan combination, including theBlackmore Marketplace Mortgage Loan, was serviced under the Pooling andServicing Agreement for the issuing entity prior to the closing of thesecuritization of the other *pari passu* portion of the BlackmoreMarketplace loan combination in the UBS Commercial Mortgage Trust 2019-C17transaction, Commission File Number 333-227784-04 (the “UBS 2019-C17Transaction”).  After the closing of the UBS 2019-C17 Transaction onOctober 15, 2019, this loan combination, including the Blackmore MarketplaceMortgage Loan was, and will continue to be, serviced and administered pursuantto the pooling and servicing agreement with respect to the UBS 2019-C17Transaction, which is incorporated by reference as Exhibit 4.6 to this AnnualReport on Form 10-K.

The master servicer of a poolingand servicing agreement or trust and servicing agreement also functions as theprimary servicer of the related mortgage loans serviced and administeredpursuant to such agreement unless a separate primary servicer is identified herein. If this report does not identify a separate primary servicer, the servicercompliance statement provided by the master servicer under any such agreementalso encompasses its responsibilities as primary servicer of the relatedmortgage loan or mortgage loans.

Midland Loan Services, a Divisionof PNC Bank, National Association is the master servicer and special servicerof the mortgage loans serviced under the Pooling and Servicing Agreement, theprimary servicer and special servicer of the Desert Marketplace Mortgage Loanand the primary servicer of the Grand Canal Shoppes Mortgage Loan. As a result,Midland Loan Services, a Division of PNC Bank, National Association is a“servicer” as defined in Item 1108(a)(2)(iii) of Regulation AB, in thecapacities described above, because it is servicing mortgage loans thatconstituted 10% or more of the assets of the issuing entity as of its cut-offdate. The assessments of compliance with applicable servicing criteria,accountants’ attestation reports and servicer compliance statements deliveredby Midland Loan Services, a Division of PNC Bank, National Association in thecapacities described above are listed in the Exhibit Index.

Wells Fargo Bank, NationalAssociation is the certificate administrator of the mortgage loans servicedunder the Pooling and Servicing Agreement and primary servicer of the GreatWolf Lodge Southern California Mortgage Loan, the ExchangeRight Net LeasedPortfolio 28 Mortgage Loan and the Blackmore Marketplace Mortgage Loan. As aresult, Wells Fargo Bank, National Association is a “servicer” as defined inItem 1108(a)(2)(iii) of Regulation AB, in the capacities described above,because it is servicing mortgage loans that constituted 10% or more of theassets of the issuing entity as of its cut-off date. The assessments ofcompliance with applicable servicing criteria, accountants’ attestation reportsand servicer compliance statements delivered by Wells Fargo Bank, NationalAssociation in the capacities described above are listed in the Exhibit Index.

Wells Fargo Bank, National Association is the custodian ofthe mortgage loans serviced under the Pooling and Servicing Agreement, theGrand Canal Shoppes Mortgage Loan, the Great Wolf Lodge Southern CaliforniaMortgage Loan, the ExchangeRight Net Leased Portfolio 28 Mortgage Loan, theBlackmore Marketplace Mortgage Loan and the Desert Marketplace MortgageLoan.  As a result, Wells Fargo Bank, National Association is a servicingfunction participant in the capacities described above, because it is servicingmortgage loans that constituted 5% or more of the assets of the issuing entityas of its cut-off date. The assessments of compliance with applicable servicingcriteria and accountants’ attestation reports delivered by Wells Fargo Bank,National Association in the capacities described above are listed in theExhibit Index.

Rialto Capital Advisors, LLC is the special servicer of theGreat Wolf Lodge Southern California Mortgage Loan, the ExchangeRight NetLeased Portfolio 28 Mortgage Loan and the Blackmore Marketplace Mortgage Loan.These mortgage loans constitute more than 5%, but less than 10%, of the poolassets of the issuing entity.  Therefore, the Depositor included in thisAnnual Report on Form 10-K an assessment of compliance with applicableservicing criteria for Rialto Capital Advisors, LLC and an accountants’attestation report pursuant to Item 1122 of Regulation AB because RialtoCapital Advisors, LLC is servicing more than 5% of the pool assets. However, the Depositor is not required to include in this Annual Report on Form10-K a servicer compliance statement pursuant to Item 1123 of Regulation AB ofRialto Capital Advisors, LLC because Rialto Capital Advisors, LLC is anunaffiliated servicer servicing less than 10% of pool assets.

Park Bridge Lender Services LLC is the operating advisor ofthe mortgage loans serviced under the Pooling and Servicing Agreement, theGreat Wolf Lodge Southern California Mortgage Loan, the ExchangeRight NetLeased Portfolio 28 Mortgage Loan and the Desert Marketplace MortgageLoan.  As a result, Park Bridge Lender Services LLC is a servicingfunction participant in the capacities described above, because it is servicingmortgage loans that constituted 5% or more of the assets of the issuing entityas of its cut-off date. The assessments of compliance with applicable servicingcriteria and accountants’ attestation reports delivered by Park Bridge LenderServices LLC in the capacities described above are listed in the Exhibit Index.

Wells Fargo Bank, NationalAssociation acts as trustee of the Selig Office Portfolio Mortgage Loan, theFarmers Insurance Mortgage Loan, the Renaissance Plano Mortgage Loan, the APXMorristown Mortgage Loan, the Bison Portfolio Mortgage Loan, the DesertMarketplace Mortgage Loan and the Grand Canal Shoppes Mortgage Loan. Pursuant to the Pooling and Servicing Agreement, the pooling and servicingagreement for the CSAIL 2019-C15 Transaction and the pooling and servicingagreement for the MSC 2019-H7 Transaction, the trustee is required to providean assessment of compliance with applicable servicing criteria solely withrespect to Item 1122(d)(2)(iii) of Regulation AB (regarding advances of fundsor guarantees regarding collections, cash flows or distributions, and anyinterest or other fees charged for such advances, are made, reviewed andapproved as specified in the transaction agreements). However, during thereporting period, the trustee did not perform any servicing function withrespect to the servicing criteria specified in Item 1122(d)(2)(iii) ofRegulation AB.  The master servicer or the special servicer, to the extentrequired, performed the servicing function identified with respect to Item1122(d)(2)(iii) of Regulation AB, and each such party included Item1122(d)(2)(iii) of Regulation AB in the assessment of compliance withapplicable servicing criteria and accountant’s attestation report for thesubject transaction.  As a result, this Annual Report on Form 10-K doesnot include an assessment of compliance with applicable servicing criteria ofthe trustee. One or more other servicers of the mortgage loans serviced underthe Pooling and Servicing Agreement, the Desert Marketplace Mortgage Loan andthe Grand Canal Shoppes Mortgage Loan have delivered one or more assessments ofcompliance with respect to Item 1122(d)(2)(iii) of Regulation AB.

Wilmington Trust, NationalAssociation acts as trustee of the Great Wolf Lodge Southern CaliforniaMortgage Loan, the ExchangeRight Net Leased Portfolio 28 Mortgage Loan and theBlackmore Marketplace Mortgage Loan.  Pursuant to the pooling andservicing agreement for the WFCM 2019-C50 Transaction, the pooling andservicing agreement for the BBCMS 2019-C4 Transaction and the pooling andservicing agreement for the UBS 2019-C17 Transaction, the trustee is requiredto provide an assessment of compliance with applicable servicing criteriasolely with respect to Item 1122(d)(2)(iii) of Regulation AB (regardingadvances of funds or guarantees regarding collections, cash flows ordistributions, and any interest or other fees charged for such advances, aremade, reviewed and approved as specified in the transaction agreements).However, during the reporting period, the trustee did not perform any servicingfunction with respect to the servicing criteria specified in Item1122(d)(2)(iii) of Regulation AB.  The master servicer or the specialservicer, to the extent required, performed the servicing function identifiedwith respect to Item 1122(d)(2)(iii) of Regulation AB, and each such partyincluded Item 1122(d)(2)(iii) of Regulation AB in the assessment of compliancewith applicable servicing criteria and accountant’s attestation report for thesubject transaction.  As a result, this Annual Report on Form 10-K doesnot include an assessment of compliance with applicable servicing criteria ofthe trustee. One or more other servicers of the Great Wolf Lodge SouthernCalifornia Mortgage Loan, the ExchangeRight Net Leased Portfolio 28 MortgageLoan and the Blackmore Marketplace Mortgage Loan have delivered one or moreassessments of compliance with respect to Item 1122(d)(2)(iii) of RegulationAB.

This Annual Report on Form 10-Kincludes assessments of compliance with applicable servicing criteria andaccountants’ attestation reports from CoreLogic Commercial Real EstateServices, Inc. and National Tax Search, LLC.  These entities were engagedby the primary servicer of the Great Wolf Lodge Southern California MortgageLoan, the ExchangeRight Net Leased Portfolio 28 Mortgage Loan and the BlackmoreMarketplace Mortgage Loan to remit tax payments received from the escrowaccounts of borrowers to local taxing authorities, to report tax amounts due,to verify tax parcel information, and to verify non-escrow tax payments. Theseservicing functions are included within the servicing criteria set forth inItems 1122(d)(4)(xi) and 1122(d)(4)(xii) of Regulation AB.  Therefore,under the principles-based definition of “servicer” set forth in Item 1101(j)of Regulation AB that looks to the functions that an entity performs, thesevendors are “servicers” for the purposes of Item 1122 of Regulation AB.  *See*Compliance and Disclosure Interpretations, Section 301.01 (Item 1101(j)).

Theassessments of compliance with applicable servicing criteria, accountants’attestation reports and servicer compliance statements of the certificateadministrator of the Desert Marketplace Mortgage Loan, the Great Wolf LodgeSouthern California Mortgage Loan, the Grand Canal Shoppes Mortgage Loan, theExchangeRight Net Leased Portfolio 28 Mortgage Loan and the BlackmoreMarketplace Mortgage Loan listed on the Exhibit Index are omitted from thisAnnual Report on Form 10-K as the certificate administrator pursuant to therelated pooling and servicing agreement or trust and servicing agreement doesnot perform any activities that address servicing criteria with respect to theissuing entity and because they are each not a “servicer” that meets thecriteria in Item 1108(a)(2)(i) through (iii) of Regulation AB.

With respect to the *pari passu*loan combinations that include the Great Wolf Lodge Southern CaliforniaMortgage Loan, the ExchangeRight Net Leased Portfolio 28 Mortgage Loan, theGrand Canal Shoppes Mortgage Loan and the Blackmore Marketplace Mortgage Loan, (i)the reports on assessment of compliance with servicing criteria and attestationreports on assessment of compliance with servicing criteria of LNR Partners,LLC as special servicer of the Grand Canal Shoppes Mortgage Loan and PentalphaSurveillance LLC as operating advisor of the Grand Canal Shoppes Mortgage Loanand the Blackmore Marketplace Mortgage Loan, listed on the Exhibit Index areomitted from this Annual Report on Form 10-K as they are not required to beincluded on this Annual Report on Form 10-K per Instruction 3 to Item 1122 ofRegulation AB because they are parties performing activities that addressservicing criteria relating to 5% or less of the assets of the issuing entity;and (ii) the servicer compliance statements of Rialto Capital Advisors, LLC asspecial servicer of the Great Wolf Lodge Southern California Mortgage Loan, theExchangeRight Net Leased Portfolio 28 Mortgage Loan and the BlackmoreMarketplace Mortgage Loan and LNR Partners, LLC as special servicer of theGrand Canal Shoppes Mortgage Loan, listed on the Exhibit Index are omitted fromthis Annual Report on Form 10-K as they are not required by Item 1123 ofRegulation AB to be included on this Annual Report on Form 10-K because theyare each an unaffiliated party that is not a “servicer” that meets the criteriain Item 1108(a)(2)(i) through (iii) of Regulation AB.

**PART I**

**Item 1.  Business.**

Omitted.

**Item 1A.  Risk Factors.**

Omitted.

**Item 1B.  Unresolved Staff Comments.**

None.

**Item 2.  Properties.**

Omitted.

**Item 3.  Legal Proceedings.**

Omitted.

**Item 4.  Mine Safety Disclosures.**

Not applicable.

**PART II**

**Item 5.  Market for Registrant’s Common Equity,Related Stockholder Matters and Issuer Purchases of Equity Securities.**

Omitted.

**Item 6.  Selected Financial Data.**

Omitted.

**Item 7.  Management’s Discussion and Analysis ofFinancial Condition and Results of Operations.**

Omitted.

**Item 7A.  Quantitative and Qualitative DisclosuresAbout Market Risk.**

Omitted.

**Item 8.  Financial Statements and Supplementary Data.**

Omitted.

**Item 9.  Changes in and Disagreements WithAccountants on Accounting and Financial Disclosure.**

Omitted.

**Item 9A.  Controls and Procedures.**

Omitted.

**Item 9B.  Other Information.**

None.

**PART III**

**Item 10.  Directors, Executive Officers and CorporateGovernance.**

Omitted.

**Item 11.  Executive Compensation.**

Omitted.

**Item 12.  Security Ownership of Certain BeneficialOwners and Management and Related Stockholder Matters.**

Omitted.

**Item 13.  Certain Relationships and RelatedTransactions, and Director Independence.**

Omitted.

**Item 14.  Principal Accounting Fees and Services.**

Omitted.

**ADDITIONAL DISCLOSURE ITEMS FOR REGULATION AB**

**Item 1112(b) of Regulation AB, Significant ObligorFinancial Information.**

No single obligor represents 10% or more of the pool assetsheld by the issuing entity. 

**Item 1114(b)(2) of Regulation AB, Significant EnhancementProvider Financial Information.**

No entity or group of affiliated entities provides any externalcreditenhancement or other support for the certificates within this transaction asdescribed under Item 1114(a) of Regulation AB.

**Item 1115(b) of Regulation AB, Certain DerivativesInstruments (Financial Information).**

No entity or group of affiliated entities provides anyderivative instruments or other support for the certificates within this transactionas described under Item 1115 of Regulation AB.

**Item 1117 of Regulation AB, Legal Proceedings.**

The registrant knows of no material pending legal proceedinginvolving the trust or any party related to the trust, other than routinelitigation incidental to the duties of those respective parties, and thefollowing, with respect to Wells Fargo Bank, National Association, ascertificate administrator, as custodian and as trustee.

Beginning on June 18, 2014, a group of institutionalinvestors filed civil complaints in the Supreme Court of the State of New York,New York County, and later the U.S. District Court for the Southern District ofNew York, against Wells Fargo Bank, N.A., (“Wells Fargo Bank”) in itscapacity as trustee for certain residential mortgage backed securities (“RMBS”)trusts.  The complaints against Wells Fargo Bank alleged that the trusteecaused losses to investors and asserted causes of action based upon, amongother things, the trustee's alleged failure to: (i) notify and enforce repurchaseobligations of mortgage loan sellers for purported breaches of representationsand warranties, (ii) notify investors of alleged events of default, and (iii)abide by appropriate standards of care following alleged events of default.Relief sought included money damages in an unspecified amount, reimbursement ofexpenses, and equitable relief. In November 2018, Wells Fargo Bank reached anagreement, in which it denied any wrongdoing, to resolve such claims on aclasswide basis for the 271 RMBS trusts at issue.  On May 6, 2019, thecourt entered an order approving the settlement agreement.  Separatelawsuits against Wells Fargo Bank making similar allegations filed by certainother institutional investors concerning several RMBS trusts in New York federaland state court are not covered by the agreement.  With respect to suchlitigations, Wells Fargo Bank believes plaintiffs' claims are without merit andintends to contest the claims vigorously, but there can be no assurances as tothe outcome of the litigations or the possible impact of the litigations onWells Fargo Bank or the RMBS trusts.

**Item 1119 of Regulation AB, Affiliations and CertainRelationships and Related Transactions.**

The information regarding this Item has been previouslyprovided in the prospectus of the Registrant relating to the issuing entityfiled on September 25, 2019 pursuant to Rule 424(b)(2).

**Item 1122 of Regulation AB, Compliance with ApplicableServicing Criteria.**

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the mortgage loans are attachedhereto under Item 15 to this Annual Report on Form 10-K. Attached as Exhibit AAto the Pooling and Servicing Agreement incorporated by reference as Exhibit 4.1to this Annual Report on Form 10-K is a chart identifying the entitiesparticipating in a servicing function for the transaction responsible for eachapplicable servicing criteria set forth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the Desert Marketplace Mortgage Loan,which is being serviced and administered pursuant to the pooling and servicingagreement for the CSAIL 2019-C15 Transaction, are attached hereto under Item 15to this Annual Report on Form 10-K. Attached as Exhibit AA to the pooling andservicing agreement for the CSAIL 2019-C15 Transaction incorporated byreference as Exhibit 4.2 to this Annual Report on Form 10-K is a chartidentifying the entities participating in a servicing function for the CSAIL2019-C15 Transaction responsible for each applicable servicing criteria setforth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the Great Wolf Lodge SouthernCalifornia Mortgage Loan, which is being serviced and administered pursuant tothe pooling and servicing agreement for the WFCM 2019-C50 Transaction, areattached hereto under Item 15 to this Annual Report on Form 10-K. Attached asExhibit AA to the pooling and servicing agreement for the WFCM 2019-C50Transaction incorporated by reference as Exhibit 4.3 to this Annual Report onForm 10-K is a chart identifying the entities participating in a servicingfunction for the WFCM 2019-C50 Transaction responsible for each applicableservicing criteria set forth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the Grand Canal Shoppes MortgageLoan, which is being serviced and administered pursuant to the pooling andservicing agreement for the MSC 2019-H7 Transaction, are attached hereto underItem 15 to this Annual Report on Form 10-K. Attached as Exhibit AA to thepooling and servicing agreement for the MSC 2019-H7 Transaction incorporated byreference as Exhibit 4.4 to this Annual Report on Form 10-K is a chartidentifying the entities participating in a servicing function for the MSC2019-H7 Transaction responsible for each applicable servicing criteria set forthin Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the ExchangeRight Net LeasedPortfolio 28 Mortgage Loan, which is being serviced and administered pursuantto the pooling and servicing agreement for the BBCMS 2019-C4 Transaction, areattached hereto under Item 15 to this Annual Report on Form 10-K. Attached asExhibit AA to the pooling and servicing agreement for the BBCMS 2019-C4Transaction incorporated by reference as Exhibit 4.5 to this Annual Report onForm 10-K is a chart identifying the entities participating in a servicingfunction for the BBCMS 2019-C4 Transaction responsible for each applicable servicingcriteria set forth in Item 1122(d).

The reports on assessments of compliance with the servicingcriteria for asset-backed securities and related attestation reports on suchassessments of compliance with respect to the Blackmore Marketplace MortgageLoan, which is being serviced and administered pursuant to the pooling andservicing agreement for the UBS 2019-C17 Transaction, are attached hereto underItem 15 to this Annual Report on Form 10-K. Attached as Exhibit Z to thepooling and servicing agreement for the UBS 2019-C17 Transaction incorporatedby reference as Exhibit 4.6 to this Annual Report on Form 10-K is a chartidentifying the entities participating in a servicing function for the UBS2019-C17 Transaction responsible for each applicable servicing criteria setforth in Item 1122(d).

The report on assessment of compliance with applicableservicing criteria furnished pursuant to Item 1122 of Regulation AB by MidlandLoan Services, a Division of PNC Bank National Association (“Midland”)discloses that a material instance of noncompliance occurred, as describedbelow:

Material Instance of Noncompliance

In certain instances, the ScheduleAL Files (Item 1125 of Regulation AB) were not reported in accordance with theterms specified in the transaction agreements, in conflict with Item1122(d)(3)(i): “Reports to investors, including those to be filed with theCommission, are maintained in accordance with the transaction agreements andapplicable Commission requirements. Specifically, such reports: (A) Areprepared in accordance with timeframes and other terms set forth in thetransaction agreements”.  The noncompliance consisted of omitted orinaccurately reported fields as described in (1) and (2) below.  (1) Inconnection with other enhancements Midland made to its manual Schedule ALprocess, starting in April 2019, Midland developed and implemented new ScheduleAL reporting templates for each applicable CMBS transaction that closed priorto April 2019 and for each applicable CMBS transaction going forward. Related to this, Midland made certain template setup errors, along with relatedand other manual inputting of information errors, and the errors were notidentified prior to submission of the applicable Schedule AL Files in certaincases due to breakdowns in quality control.  (2) In one applicabletransaction, the related Schedule AL File for a given month was not savedproperly resulting in the prior month's Schedule AL File being submitted forthe given month instead of the correct Schedule AL File. 

The identified instances did notinvolve the servicing of assets included in this securitization.

Steps Taken to Remedy the Material Instance of Noncompliance

Midland’s Schedule AL reportingprocess was enhanced in April of 2019, however, the process remained manualthroughout the 2019 calendar year.  Errors relating to certain Schedule ALFiles during 2019 were identified during the related audit.  Followingidentification, Midland made staffing changes and additional enhancements andimprovements to its processes and procedures to support its Schedule ALreporting obligations and expects to move to an automated solution for thisprocess.  

Midland is currently remediating theSchedule AL reporting for certain of the CMBS transactions found to be incorrect.

**Item 1123 of Regulation AB, Servicer Compliance Statement.**

The servicer compliance statements are attached as Exhibitsto this Annual Report on Form 10-K.

**PART IV**

**Item 15. Exhibits, Financial Statement Schedules**

(a) The following is a list of documents filed as part ofthis Annual Report on Form 10-K:

(1) Not applicable

(2) Not applicable

(3) See below

 

4.1         Poolingand Servicing Agreement, dated as of September 1, 2019, by and among CreditSuisse Commercial Mortgage Securities Corp., as Depositor, Midland LoanServices, a Division of PNC Bank, National Association, as Master Servicer andas Special Servicer, Wells Fargo Bank, National Association, as CertificateAdministrator and as Trustee, and Park Bridge Lender Services LLC, as OperatingAdvisor and Asset Representations Reviewer (filed as Exhibit 4.1 to theregistrant’s Current Report on Form 8-K filed on September 25, 2019 underCommission File No. 333-227081-03 and incorporated by reference herein). 

4.2         Poolingand Servicing Agreement, dated as of March 1, 2019, by and among Credit SuisseCommercial Mortgage Securities Corp., as Depositor, Midland Loan Services, aDivision of PNC Bank, National Association, as Master Servicer and as SpecialServicer, Wells Fargo Bank, National Association, as Certificate Administratorand Custodian, Wells Fargo Bank, National Association, as Trustee , and ParkBridge Lender Services LLC, as Operating Advisor and Asset RepresentationsReviewer (filed as Exhibit 4.5 to the registrant’s Current Report on Form 8-Kfiled on September 25, 2019 under Commission File No. 333-227081-03 andincorporated by reference herein).

4.3         Poolingand Servicing Agreement, dated as of May 1, 2019, by and among Wells FargoCommercial Mortgage Securities, Inc., as Depositor, Wells Fargo Bank, NationalAssociation, as Master Servicer, Rialto Capital Advisors, LLC, as SpecialServicer, Wells Fargo Bank, National Association, as Certificate Administrator,Wilmington Trust, National Association, as Trustee, and Park Bridge LenderServices LLC, as Operating Advisor and Asset Representations Reviewer (filed asExhibit 4.3 to the registrant’s Current Report on Form 8-K filed on September25, 2019 under Commission File No. 333-227081-03 and incorporated by referenceherein).

4.4         Poolingand Servicing Agreement, dated as of July 1, 2019, by and among Morgan StanleyCapital I Inc., as Depositor, Midland Loan Services, a Division of PNC Bank,National Association, as Master Servicer, LNR Partners, LLC, as SpecialServicer, Wells Fargo Bank, National Association, as Certificate Administratorand Trustee, and Pentalpha Surveillance LLC, as Operating Advisor and AssetRepresentations Reviewer (filed as Exhibit 4.2 to the registrant’s CurrentReport on Form 8-K filed on September 25, 2019 under Commission File No. 333-227081-03and incorporated by reference herein).

4.5         Poolingand Servicing Agreement, dated as of August 1, 2019, by and among BarclaysCommercial Mortgage Securities LLC, as Depositor, Wells Fargo Bank, NationalAssociation, as Master Servicer, Rialto Capital Advisors, LLC, as SpecialServicer, Wells Fargo Bank, National Association, as Certificate Administrator,Wilmington Trust, National Association, as Trustee, and Park Bridge LenderServices LLC, as Operating Advisor and Asset Representations Reviewer (filed asExhibit 4.4 to the registrant’s Current Report on Form 8-K filed on September25, 2019 under Commission File No. 333-227081-03 and incorporated by referenceherein).

4.6         Poolingand Servicing Agreement, dated as of October 1, 2019, by and among UBSCommercial Mortgage Securitization Corp., as Depositor, Wells Fargo Bank,National Association, as Master Servicer, Rialto Capital Advisors, LLC, asSpecial Servicer, Wells Fargo Bank, National Association, as CertificateAdministrator, Wilmington Trust, National Association, as Trustee, andPentalpha Surveillance LLC, as Operating Advisor and Asset RepresentationsReviewer (filed as Exhibit 4.1 to the registrant’s Current Report on Form 8-Kfiled on October 16, 2019 under Commission File No. 333-227081-03 andincorporated by reference herein).

4.7         AgreementBetween Note Holders, dated as of September 4, 2019, by and between Grass RiverWarehouse Facility Entity One, LLC, as Initial Note A-1 Holder, and Grass RiverWarehouse Facility Entity One, LLC, as Initial Note A-2 Holder (filed asExhibit 4.6 to the registrant’s Current Report on Form 8-K filed on September25, 2019 under Commission File No. 333-227081-03 and incorporated by referenceherein).

4.8         AgreementBetween Note Holders, dated as of August 27, 2019, by and between ColumnFinancial, Inc., as Initial Note A-1 Holder, and Column Financial, Inc.,Initial Note A-2 Holder (filed as Exhibit 4.7 to the registrant’s CurrentReport on Form 8-K filed on September 25, 2019 under Commission File No.333-227081-03 and incorporated by reference herein).

4.9         AgreementBetween Note Holders, dated as of September 4, 2019, by and between Grass RiverWarehouse Facility Entity One, LLC, as Initial Note A-1 Holder, and Grass RiverWarehouse Facility Entity One, LLC, as Initial Note A-2 Holder (filed asExhibit 4.8 to the registrant’s Current Report on Form 8-K filed on September25, 2019 under Commission File No. 333-227081-03 and incorporated by referenceherein).

4.10       AgreementBetween Note Holders, dated as of September 5, 2019, by ad between Grass River WarehouseFacility Entity One, LLC, as Initial Note A-1 Holder, and Grass River WarehouseFacility Entity One, LLC, as Initial Note A-2 Holder (filed as Exhibit 4.9 tothe registrant’s Current Report on Form 8-K filed on September 25, 2019 underCommission File No. 333-227081-03 and incorporated by reference herein).

4.11       AgreementBetween Noteholders, dated as of July 3, 2019, between Morgan Stanley Bank,N.A., as Note A-1 Holder, Wells Fargo Bank, National Association, as Note A-2Holder, JPMorgan Chase Bank, National Association, as Note A-3 Holder, GoldmanSachs Bank USA, as Note A-4 Holder, and CPPIB Credit Investments II Inc., asNote B Holder (filed as Exhibit 4.10 to the registrant’s Current Report on Form8-K filed on September 25, 2019 under Commission File No. 333-227081-03 andincorporated by reference herein).

4.12       AgreementBetween Note Holders, dated as of September 25, 2019, by and among SocieteGenerale Financial Corporation, as Initial Note A-1 Holder, and SocieteGenerale Financial Corporation, as Initial Note A-2 Holder (filed as Exhibit4.11 to the registrant’s Current Report on Form 8-K filed on September 25, 2019under Commission File No. 333-227081-03 and incorporated by reference herein).

4.13       Amendedand Restated Co-Lender Agreement, dated as of March 15, 2019 by and betweenWells Fargo Bank, National Association, as Note A-1 Holder, Wells Fargo Bank,National Association, as Note A-2 Holder, Wells Fargo Bank, NationalAssociation, as Note A-3 Holder, Column Financial, Inc., as Note A-4 Holder,Wells Fargo Bank, National Association, as Note A-5 Holder, and KSL CapitalPartners Co Trust II, as Note B-1 Holder (filed as Exhibit 4.12 to theregistrant’s Current Report on Form 8-K filed on September 25, 2019 underCommission File No. 333-227081-03 and incorporated by reference herein).

4.14       AgreementBetween Note Holders, dated as of August 28, 2019, by and among SocieteGenerale Financial Corporation, as Initial Note A-1 Holder, Societe GeneraleFinancial Corporation, as Initial Note A-2 Holder, and Societe GeneraleFinancial Corporation, as Initial Note A-3 Holder (filed as Exhibit 4.13 to theregistrant’s Current Report on Form 8-K filed on September 25, 2019 underCommission File No. 333-227081-03 and incorporated by reference herein).

4.15       AgreementBetween Note Holders, dated as of September 25, 2019, by and between UBS AG, byand through its branch office at 1285 Avenue of the Americas, New York, NewYork, as Initial Note A-1 Holder and Initial Note A-2 Holder (filed as Exhibit4.14 to the registrant’s Current Report on Form 8-K filed on September 25, 2019under Commission File No. 333-227081-03 and incorporated by reference herein).

4.16       AgreementBetween Note Holders, dated as of February 7, 2019, by and between Grass RiverWarehouse Facility Entity One, LLC, as Initial Note A-1 Holder, and Grass RiverWarehouse Facility Entity One, LLC, as Initial Note A-2 Holder (filed asExhibit 4.15 to the registrant’s Current Report on Form 8-K filed on September25, 2019 under Commission File No. 333-227081-03 and incorporated by referenceherein).

31          Rule 13a-14(d)/15d-14(d)Certifications.

33          Reports on assessment of compliance with servicing criteria for asset-backedsecurities.

33.1       Midland Loan Services, aDivision of PNC Bank, National Association, as Master Servicer

33.2       Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer (see Exhibit33.1)

33.3       Wells Fargo Bank, NationalAssociation, as Trustee and Certificate Administrator

33.4       Wells Fargo Bank, NationalAssociation, as Custodian

33.5       Park Bridge LenderServices LLC, as Operating Advisor

33.6       Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the SeligOffice Portfolio Mortgage Loan (see Exhibit 33.1)

33.7       Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the SeligOffice Portfolio Mortgage Loan (see Exhibit 33.1)

33.8       Wells Fargo Bank, National Association, as Trustee of the Selig OfficePortfolio Mortgage Loan (Omitted. See Explanatory Notes.)

33.9       Wells Fargo Bank, NationalAssociation, as Custodian of the Selig Office Portfolio Mortgage Loan (seeExhibit 33.4)

33.10     Park Bridge LenderServices LLC, as Operating Advisor of the Selig Office Portfolio Mortgage Loan(see Exhibit 33.5)

33.11     Midland Loan Services, a Divisionof PNC Bank, National Association, as Primary Servicer of the Farmers InsuranceMortgage Loan (see Exhibit 33.1)

33.12     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the FarmersInsurance Mortgage Loan (see Exhibit 33.1)

33.13     Wells Fargo Bank, National Association, as Trustee of the Farmers InsuranceMortgage Loan (Omitted. See Explanatory Notes.)

33.14     Wells Fargo Bank, NationalAssociation, as Custodian of the Farmers Insurance Mortgage Loan (see Exhibit33.4)

33.15     Park Bridge LenderServices LLC, as Operating Advisor of the Farmers Insurance Mortgage Loan (seeExhibit 33.5)

33.16     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of theRenaissance Plano Mortgage Loan (see Exhibit 33.1)

33.17     Midland Loan Services, a Divisionof PNC Bank, National Association, as Special Servicer of the Renaissance PlanoMortgage Loan (see Exhibit 33.1)

33.18     Wells Fargo Bank, National Association, as Trustee of the Renaissance PlanoMortgage Loan (Omitted. See Explanatory Notes.)

33.19     Wells Fargo Bank, NationalAssociation, as Custodian of the Renaissance Plano Mortgage Loan (see Exhibit33.4)

33.20     Park Bridge LenderServices LLC, as Operating Advisor of the Renaissance Plano Mortgage Loan (seeExhibit 33.5)

33.21     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the APXMorristown Mortgage Loan (see Exhibit 33.1)

33.22     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the APXMorristown Mortgage Loan (see Exhibit 33.1)

33.23     Wells Fargo Bank, National Association, as Trustee of the APX MorristownMortgage Loan (Omitted. See Explanatory Notes.)

33.24     Wells Fargo Bank, NationalAssociation, as Custodian of the APX Morristown Mortgage Loan (see Exhibit33.4)

33.25     Park Bridge LenderServices LLC, as Operating Advisor of the APX Morristown Mortgage Loan (seeExhibit 33.5)

33.26     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the Bison PortfolioMortgage Loan (see Exhibit 33.1)

33.27     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the BisonPortfolio Mortgage Loan (see Exhibit 33.1)

33.28     Wells Fargo Bank, National Association, as Trustee of the Bison PortfolioMortgage Loan (Omitted. See Explanatory Notes.)

33.29     Wells Fargo Bank, NationalAssociation, as Custodian of the Bison Portfolio Mortgage Loan (see Exhibit 33.4)

33.30     Park Bridge LenderServices LLC, as Operating Advisor of the Bison Portfolio Mortgage Loan (seeExhibit 33.5)

33.31     Midland Loan Services, a Divisionof PNC Bank, National Association, as Primary Servicer of the DesertMarketplace Mortgage Loan (see Exhibit 33.1)

33.32     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the DesertMarketplace Mortgage Loan (see Exhibit 33.1)

33.33     Wells Fargo Bank, National Association, as Trustee of the Desert MarketplaceMortgage Loan (Omitted. See Explanatory Notes.)

33.34     Wells Fargo Bank, NationalAssociation, as Custodian of the Desert Marketplace Mortgage Loan (see Exhibit33.4)

33.35     Park Bridge LenderServices LLC, as Operating Advisor of the Desert Marketplace Mortgage Loan (seeExhibit 33.5)

33.36     Wells Fargo Bank,National Association , as Primary Servicer of the Great Wolf Lodge SouthernCalifornia Mortgage Loan

33.37     Rialto Capital Advisors, LLC,as Special Servicer of the Great Wolf Lodge Southern California Mortgage Loan

33.38     Wilmington Trust, National Association, as Trustee of the Great Wolf LodgeSouthern California Mortgage Loan (Omitted. See Explanatory Notes.)

33.39     Wells Fargo Bank, NationalAssociation, as Custodian of the Great Wolf Lodge Southern California MortgageLoan (see Exhibit 33.4)

33.40     Park Bridge LenderServices LLC, as Operating Advisor of the Great Wolf Lodge Southern CaliforniaMortgage Loan (see Exhibit 33.5)

33.41     CoreLogic Commercial RealEstate Services, Inc., as Servicing Function Participant of the Great WolfLodge Southern California Mortgage Loan

33.42     National Tax Search, LLC,as Servicing Function Participant of the Great Wolf Lodge Southern CaliforniaMortgage Loan

33.43     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the GrandCanal Shoppes Mortgage Loan (see Exhibit 33.1)

33.44     LNR Partners, LLC, as Special Servicer of the Grand Canal Shoppes Mortgage Loan(Omitted. See Explanatory Notes.)

33.45     Wells Fargo Bank, National Association, as Trustee of the Grand Canal ShoppesMortgage Loan (Omitted. See Explanatory Notes.)

33.46     Wells Fargo Bank, NationalAssociation, as Custodian of the Grand Canal Shoppes Mortgage Loan (see Exhibit33.4)

33.47     Pentalpha Surveillance LLC, as Operating Advisor of the Grand Canal ShoppesMortgage Loan (Omitted. See Explanatory Notes.)

33.48     Wells Fargo Bank,National Association , as Primary Servicer of the ExchangeRight Net LeasedPortfolio 28 Mortgage Loan (see Exhibit 33.36)

33.49     Rialto Capital Advisors,LLC, as Special Servicer of the ExchangeRight Net Leased Portfolio 28 MortgageLoan (see Exhibit 33.37)

33.50     Wilmington Trust, National Association, as Trustee of the ExchangeRight NetLeased Portfolio 28 Mortgage Loan (Omitted. See Explanatory Notes.)

33.51     Wells Fargo Bank, NationalAssociation, as Custodian of the ExchangeRight Net Leased Portfolio 28 MortgageLoan (see Exhibit 33.4)

33.52     Park Bridge LenderServices LLC, as Operating Advisor of the ExchangeRight Net Leased Portfolio 28Mortgage Loan (see Exhibit 33.5)

33.53     CoreLogic Commercial RealEstate Services, Inc., as Servicing Function Participant of the ExchangeRightNet Leased Portfolio 28 Mortgage Loan (see Exhibit 33.41)

33.54     National Tax Search, LLC,as Servicing Function Participant of the ExchangeRight Net Leased Portfolio 28Mortgage Loan (see Exhibit 33.42)

33.55     Wells Fargo Bank,National Association , as Primary Servicer of the Blackmore MarketplaceMortgage Loan (see Exhibit 33.36)

33.56     Rialto Capital Advisors,LLC, as Special Servicer of the Blackmore Marketplace Mortgage Loan (seeExhibit 33.37)

33.57     Wilmington Trust, National Association, as Trustee of the Blackmore MarketplaceMortgage Loan (Omitted. See Explanatory Notes.)

33.58     Wells Fargo Bank, NationalAssociation, as Custodian of the Blackmore Marketplace Mortgage Loan (seeExhibit 33.4)

33.59     Pentalpha Surveillance LLC, as Operating Advisor of the Blackmore MarketplaceMortgage Loan (Omitted. See Explanatory Notes.)

33.60     CoreLogic Commercial RealEstate Services, Inc., as Servicing Function Participant of the BlackmoreMarketplace Mortgage Loan (see Exhibit 33.41)

33.61     National Tax Search, LLC,as Servicing Function Participant of the Blackmore Marketplace Mortgage Loan(see Exhibit 33.42)

34          Attestation reports onassessment of compliance with servicing criteria for asset-backed securities.

34.1       Midland Loan Services, aDivision of PNC Bank, National Association, as Master Servicer

34.2       Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer (see Exhibit34.1)

34.3       Wells Fargo Bank, NationalAssociation, as Trustee and Certificate Administrator

34.4       Wells Fargo Bank, NationalAssociation, as Custodian

34.5       Park Bridge LenderServices LLC, as Operating Advisor

34.6       Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the SeligOffice Portfolio Mortgage Loan (see Exhibit 34.1)

34.7       Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the SeligOffice Portfolio Mortgage Loan (see Exhibit 34.1)

34.8       Wells Fargo Bank, National Association, as Trustee of the Selig OfficePortfolio Mortgage Loan (Omitted. See Explanatory Notes.)

34.9       Wells Fargo Bank, NationalAssociation, as Custodian of the Selig Office Portfolio Mortgage Loan (seeExhibit 34.4)

34.10     Park Bridge LenderServices LLC, as Operating Advisor of the Selig Office Portfolio Mortgage Loan(see Exhibit 34.5)

34.11     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the FarmersInsurance Mortgage Loan (see Exhibit 34.1)

34.12     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the FarmersInsurance Mortgage Loan (see Exhibit 34.1)

34.13     Wells Fargo Bank, National Association, as Trustee of the Farmers InsuranceMortgage Loan (Omitted. See Explanatory Notes.)

34.14     Wells Fargo Bank, NationalAssociation, as Custodian of the Farmers Insurance Mortgage Loan (see Exhibit34.4)

34.15     Park Bridge LenderServices LLC, as Operating Advisor of the Farmers Insurance Mortgage Loan (seeExhibit 34.5)

34.16     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of theRenaissance Plano Mortgage Loan (see Exhibit 34.1)

34.17     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of theRenaissance Plano Mortgage Loan (see Exhibit 34.1)

34.18     Wells Fargo Bank, National Association, as Trustee of the Renaissance PlanoMortgage Loan (Omitted. See Explanatory Notes.)

34.19     Wells Fargo Bank, NationalAssociation, as Custodian of the Renaissance Plano Mortgage Loan (see Exhibit34.4)

34.20     Park Bridge LenderServices LLC, as Operating Advisor of the Renaissance Plano Mortgage Loan (seeExhibit 34.5)

34.21     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the APXMorristown Mortgage Loan (see Exhibit 34.1)

34.22     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the APXMorristown Mortgage Loan (see Exhibit 34.1)

34.23     Wells Fargo Bank, National Association, as Trustee of the APX MorristownMortgage Loan (Omitted. See Explanatory Notes.)

34.24     Wells Fargo Bank, NationalAssociation, as Custodian of the APX Morristown Mortgage Loan (see Exhibit34.4)

34.25     Park Bridge LenderServices LLC, as Operating Advisor of the APX Morristown Mortgage Loan (seeExhibit 34.5)

34.26     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the BisonPortfolio Mortgage Loan (see Exhibit 34.1)

34.27     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the BisonPortfolio Mortgage Loan (see Exhibit 34.1)

34.28     Wells Fargo Bank, National Association, as Trustee of the Bison PortfolioMortgage Loan (Omitted. See Explanatory Notes.)

34.29     Wells Fargo Bank, NationalAssociation, as Custodian of the Bison Portfolio Mortgage Loan (see Exhibit34.4)

34.30     Park Bridge LenderServices LLC, as Operating Advisor of the Bison Portfolio Mortgage Loan (seeExhibit 34.5)

34.31     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the DesertMarketplace Mortgage Loan (see Exhibit 34.1)

34.32     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the DesertMarketplace Mortgage Loan (see Exhibit 34.1)

34.33     Wells Fargo Bank, National Association, as Trustee of the Desert MarketplaceMortgage Loan (Omitted. See Explanatory Notes.)

34.34     Wells Fargo Bank, NationalAssociation, as Custodian of the Desert Marketplace Mortgage Loan (see Exhibit34.4)

34.35     Park Bridge LenderServices LLC, as Operating Advisor of the Desert Marketplace Mortgage Loan (seeExhibit 34.5)

34.36     Wells Fargo Bank,National Association, as Primary Servicer of the Great Wolf Lodge SouthernCalifornia Mortgage Loan

34.37     Rialto Capital Advisors,LLC, as Special Servicer of the Great Wolf Lodge Southern California MortgageLoan

34.38     Wilmington Trust, National Association, as Trustee of the Great Wolf LodgeSouthern California Mortgage Loan (Omitted. See Explanatory Notes.)

34.39     Wells Fargo Bank, NationalAssociation, as Custodian of the Great Wolf Lodge Southern California MortgageLoan (see Exhibit 34.4)

34.40     Park Bridge LenderServices LLC, as Operating Advisor of the Great Wolf Lodge Southern CaliforniaMortgage Loan (see Exhibit 34.5)

34.41     CoreLogic Commercial RealEstate Services, Inc., as Servicing Function Participant of the Great WolfLodge Southern California Mortgage Loan

34.42     National Tax Search, LLC,as Servicing Function Participant of the Great Wolf Lodge Southern CaliforniaMortgage Loan

34.43     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the GrandCanal Shoppes Mortgage Loan (see Exhibit 34.1)

34.44     LNR Partners, LLC, as Special Servicer of the Grand Canal Shoppes Mortgage Loan(Omitted. See Explanatory Notes.)

34.45     Wells Fargo Bank, National Association, as Trustee of the Grand Canal ShoppesMortgage Loan (Omitted. See Explanatory Notes.)

34.46     Wells Fargo Bank, NationalAssociation, as Custodian of the Grand Canal Shoppes Mortgage Loan (see Exhibit34.4)

34.47     Pentalpha Surveillance LLC, as Operating Advisor of the Grand Canal ShoppesMortgage Loan (Omitted. See Explanatory Notes.)

34.48     Wells Fargo Bank,National Association , as Primary Servicer of the ExchangeRight Net LeasedPortfolio 28 Mortgage Loan (see Exhibit 34.36)

34.49     Rialto Capital Advisors,LLC, as Special Servicer of the ExchangeRight Net Leased Portfolio 28 MortgageLoan (see Exhibit 34.37)

34.50     Wilmington Trust, National Association, as Trustee of the ExchangeRight NetLeased Portfolio 28 Mortgage Loan (Omitted. See Explanatory Notes.)

34.51     Wells Fargo Bank, NationalAssociation, as Custodian of the ExchangeRight Net Leased Portfolio 28 MortgageLoan (see Exhibit 34.4)

34.52     Park Bridge LenderServices LLC, as Operating Advisor of the ExchangeRight Net Leased Portfolio 28Mortgage Loan (see Exhibit 34.5)

34.53     CoreLogic Commercial RealEstate Services, Inc., as Servicing Function Participant of the ExchangeRightNet Leased Portfolio 28 Mortgage Loan (see Exhibit 34.41)

34.54     National Tax Search, LLC,as Servicing Function Participant of the ExchangeRight Net Leased Portfolio 28Mortgage Loan (see Exhibit 34.42)

34.55     Wells Fargo Bank,National Association , as Primary Servicer of the Blackmore MarketplaceMortgage Loan (see Exhibit 34.36)

34.56     Rialto Capital Advisors, LLC,as Special Servicer of the Blackmore Marketplace Mortgage Loan (see Exhibit34.37)

34.57     Wilmington Trust, National Association, as Trustee of the Blackmore MarketplaceMortgage Loan (Omitted. See Explanatory Notes.)

34.58     Wells Fargo Bank, NationalAssociation, as Custodian of the Blackmore Marketplace Mortgage Loan (seeExhibit 34.4)

34.59     Pentalpha Surveillance LLC, as Operating Advisor of the Blackmore MarketplaceMortgage Loan (Omitted. See Explanatory Notes.)

34.60     CoreLogic Commercial RealEstate Services, Inc., as Servicing Function Participant of the BlackmoreMarketplace Mortgage Loan (see Exhibit 34.41)

34.61     National Tax Search, LLC,as Servicing Function Participant of the Blackmore Marketplace Mortgage Loan(see Exhibit 34.42)

35          Servicer compliance statements.

35.1       Midland Loan Services, aDivision of PNC Bank, National Association, as Master Servicer

35.2       Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer (see Exhibit35.1)

35.3       Wells Fargo Bank, NationalAssociation, as Certificate Administrator

35.4       Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the SeligOffice Portfolio Mortgage Loan (see Exhibit 35.1)

35.5       Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the SeligOffice Portfolio Mortgage Loan (see Exhibit 35.1)

35.6       Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the FarmersInsurance Mortgage Loan (see Exhibit 35.1)

35.7       Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the FarmersInsurance Mortgage Loan (see Exhibit 35.1)

35.8       Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of theRenaissance Plano Mortgage Loan (see Exhibit 35.1)

35.9       Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of theRenaissance Plano Mortgage Loan (see Exhibit 35.1)

35.10     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the APXMorristown Mortgage Loan (see Exhibit 35.1)

35.11     Midland Loan Services, a Divisionof PNC Bank, National Association, as Special Servicer of the APX MorristownMortgage Loan (see Exhibit 35.1)

35.12     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the BisonPortfolio Mortgage Loan (see Exhibit 35.1)

35.13     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the BisonPortfolio Mortgage Loan (see Exhibit 35.1)

35.14     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the DesertMarketplace Mortgage Loan (see Exhibit 35.1)

35.15     Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer of the DesertMarketplace Mortgage Loan (see Exhibit 35.1)

35.16     Wells Fargo Bank,National Association, as Primary Servicer of the Great Wolf Lodge Southern CaliforniaMortgage Loan

35.17     Rialto Capital Advisors, LLC, as Special Servicer of the Great Wolf LodgeSouthern California Mortgage Loan (Omitted. See Explanatory Notes.)

35.18     Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer of the GrandCanal Shoppes Mortgage Loan (see Exhibit 35.1)

35.19     LNR Partners, LLC, as Special Servicer of the Grand Canal Shoppes Mortgage Loan(Omitted. See Explanatory Notes.)

35.20     Wells Fargo Bank,National Association , as Primary Servicer of the ExchangeRight Net LeasedPortfolio 28 Mortgage Loan (see Exhibit 35.16)

35.21     Rialto Capital Advisors, LLC, as Special Servicer of the ExchangeRight NetLeased Portfolio 28 Mortgage Loan (Omitted. See Explanatory Notes.)

35.22     Wells Fargo Bank,National Association, as Primary Servicer of the Blackmore Marketplace MortgageLoan (see Exhibit 35.16)

35.23     Rialto Capital Advisors, LLC, as Special Servicer of the Blackmore MarketplaceMortgage Loan (Omitted. See Explanatory Notes.)

99.1       MortgageLoan Purchase Agreement, dated as of September 17, 2019, between Credit SuisseCommercial Mortgage Securities Corp. and Column Financial, Inc. (filed asExhibit 99.1 to the registrant’s Current Report on Form 8-K filed on September25, 2019 under Commission File No. 333-227081-03 and incorporated by referenceherein)

99.2       MortgageLoan Purchase Agreement, dated as of September 17, 2019, between Credit SuisseCommercial Mortgage Securities Corp. and 3650 REIT (filed as Exhibit 99.2 tothe registrant’s Current Report on Form 8-K filed on September 25, 2019 underCommission File No. 333-227081-03 and incorporated by reference herein)

99.3       MortgageLoan Purchase Agreement, dated as of September 17, 2019, between Credit SuisseCommercial Mortgage Securities Corp. and Societe Generale Financial Corporation(filed as Exhibit 99.3 to the registrant’s Current Report on Form 8-K filed onSeptember 25, 2019 under Commission File No. 333-227081-03 and incorporated byreference herein)

99.4       MortgageLoan Purchase Agreement, dated as of September 17, 2019, between Credit SuisseCommercial Mortgage Securities Corp. and UBS AG (filed as Exhibit 99.4 to theregistrant’s Current Report on Form 8-K filed on September 25, 2019 underCommission File No. 333-227081-03 and incorporated by reference herein)

(b)   The exhibits required to be filed by theRegistrant pursuant to Item 601 of Regulation S-K are listed above.

(c)   Not Applicable.

 

**SIGNATURES**

Pursuant to the requirements of Section 13 or 15(d) of theSecurities Exchange Act of 1934, the registrant has duly caused this report tobe signed on its behalf by the undersigned, thereunto duly authorized.

Credit Suisse Commercial MortgageSecurities Corp.(Depositor)

/s/ CharlesY. Lee

Charles Y.Lee, President and Chief Executive Officer

(senior officer in charge ofsecuritization of the depositor)

Date: March 18, 2020