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

 

 

I, Julia Powell, certify that:

 

1. I have reviewed this report on Form 10-Kand all reports on Form 10-D required to be filed in respect of the period coveredby this report on Form 10-K of the CSAIL 2017-CX9 Commercial Mortgage Trust(the "Exchange Act periodic reports");

 

2. Based on my knowledge, the Exchange Actperiodic reports, taken as a whole, do not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report;

 

3. Based on my knowledge, all of the distribution,servicing and other information required to be provided under Form 10-D for theperiod covered by this report is included in the Exchange Act periodic reports;

 

4. Based on my knowledge and the servicercompliance statements required in this report under Item 1123 of Regulation AB,and except as disclosed in the Exchange Act periodic reports, the servicershave fulfilled their obligations under the servicing agreements in all materialrespects; and

 

5. All of the reports on assessment ofcompliance with servicing criteria for asset-backed securities and theirrelated attestation reports on assessment of compliance with servicing criteriafor asset-backed securities required to be included in this report inaccordance with Item 1122 of Regulation AB and Exchange Act Rules 13a-18 and15d-18 have been included as an exhibit to

this report, except as otherwise disclosed inthis report. Any material instances of noncompliance described in such reportshave been disclosed in this report on Form 10-K.

 

In giving the certifications above, I havereasonably relied on information provided to me by the following unaffiliatedparties:

 

KeyBank National Association, as MasterServicer, Rialto Capital Advisors, LLC, as Special Servicer, Wells Fargo Bank,National Association, as Trustee and Certificate Administrator, Wells FargoBank, National Association, as Custodian, Pentalpha Surveillance LLC, asOperating Advisor, Computershare Trust Company, National Association, asServicing Function Participant for the Certificate Administrator on and afterNovember 1, 2021, Computershare Trust Company, National Association, asServicing Function Participant for the Custodian on and after November 1, 2021,Wells Fargo Bank, National Association, as PrimaryServicer for the 245 Park Avenue Mortgage Loan, AEGON USA Realty Advisors, LLC,as Special Servicer for the 245 Park Avenue Mortgage Loan prior to April 13,2021, Situs Holdings, LLC, as Special Servicer for the 245 Park Avenue MortgageLoan on and after April 13, 2021, Wilmington Trust, National Association, asTrustee for the 245 Park Avenue Mortgage Loan, Wells Fargo Bank, NationalAssociation, as Custodian for the 245 Park Avenue Mortgage Loan, Trimont RealEstate Advisors, LLC, as Operating Advisor for the 245 Park Avenue MortgageLoan, CoreLogic Solutions, LLC, as Servicing Function Participant for the 245Park Avenue Mortgage Loan, Computershare Trust Company, NationalAssociation, as Servicing Function Participant for the Custodian for the 245 Park Avenue Mortgage Loan on and after November1, 2021, Wells Fargo Bank, National Association, asPrimary Servicer for the 85 Broad Street Mortgage Loan, Midland Loan Services,a Division of PNC Bank, National Association, as Special Servicer for the 85Broad Street Mortgage Loan, Wilmington Trust, National Association, as Trusteefor the 85 Broad Street Mortgage Loan, Wells Fargo Bank, National Association,as Custodian for the 85 Broad Street Mortgage Loan, Park Bridge Lender ServicesLLC, as Operating Advisor for the 85 Broad Street Mortgage Loan, CoreLogicSolutions, LLC, as Servicing Function Participant for the 85 Broad StreetMortgage Loan, Computershare Trust Company, National Association, asServicing Function Participant for the Custodian for the 85 Broad Street Mortgage Loan on and after November1, 2021, Wells Fargo Bank, National Association, asPrimary Servicer for the West Town Mall Mortgage Loan, Wells Fargo Bank,National Association, as Special Servicer for the West Town Mall Mortgage Loan,Wilmington Trust, National Association, as Trustee for the West Town MallMortgage Loan, Wells Fargo Bank, National Association, as Custodian for theWest Town Mall Mortgage Loan, CoreLogic Solutions, LLC, as Servicing FunctionParticipant for the West Town Mall Mortgage Loan, Computershare TrustCompany, National Association, as Servicing Function Participant for theCustodian for the West Town Mall Mortgage Loanon and after November 1, 2021, KeyBank NationalAssociation, as Primary Servicer for the Two Independence Square Mortgage Loan,AEGON USA Realty Advisors, LLC, as Special Servicer for the Two IndependenceSquare Mortgage Loan prior to March 11, 2021, Situs Holdings, LLC, as SpecialServicer for the Two Independence Square Mortgage Loan on and after March 11,2021, Wells Fargo Bank, National Association, as Trustee for the TwoIndependence Square Mortgage Loan, Wells Fargo Bank, National Association, asCustodian for the Two Independence Square Mortgage Loan, Park Bridge LenderServices LLC, as Operating Advisor for the Two Independence Square MortgageLoan, Computershare Trust Company, National Association, as ServicingFunction Participant for the Custodian for the TwoIndependence Square Mortgage Loan on and after November 1, 2021, Midland Loan Services, a Division of PNC Bank, NationalAssociation, as Primary Servicer for the IC Leased Fee Hotel Portfolio MortgageLoan, Midland Loan Services, a Division of PNC Bank, National Association, asSpecial Servicer for the IC Leased Fee Hotel Portfolio Mortgage Loan, Wells FargoBank, National Association, as Trustee for the IC Leased Fee Hotel PortfolioMortgage Loan, Wells Fargo Bank, National Association, as Custodian for the ICLeased Fee Hotel Portfolio Mortgage Loan, Park Bridge Lender Services LLC, asOperating Advisor for the IC Leased Fee Hotel Portfolio Mortgage Loan, ComputershareTrust Company, National Association, as Servicing Function Participant for theCustodian for the IC Leased Fee Hotel PortfolioMortgage Loan on and after November 1, 2021, WellsFargo Bank, National Association, as Primary Servicer for the Westin BuildingExchange Mortgage Loan, Rialto Capital Advisors, LLC, as Special Servicer forthe Westin Building Exchange Mortgage Loan, Wilmington Trust, NationalAssociation, as Trustee for the Westin Building Exchange Mortgage Loan, WellsFargo Bank, National Association, as Custodian for the Westin Building ExchangeMortgage Loan, Pentalpha Surveillance LLC, as Operating Advisor for the WestinBuilding Exchange Mortgage Loan, CoreLogic Solutions, LLC, as ServicingFunction Participant for the Westin Building Exchange Mortgage Loan, and ComputershareTrust Company, National Association, as Servicing Function Participant for theCustodian for the Westin Building ExchangeMortgage Loan on and after November 1, 2021.

 

 

 

 

Dated: March 9, 2022

 

 

/s/ Julia Powell

Julia Powell

President and Chief Executive Officer

(senior officer in charge of securitization of thedepositor)