EX-31 Rule13a-14(d)/15d-14(d) Certifications.

 

 

I, Charles Y. Lee,certify that:

 

1. I have reviewedthis report on Form 10-K and all reports on Form 10-D required to be filed inrespect of the period covered by this report on Form 10-K of the CSAIL 2017-CX9Commercial Mortgage Trust (the "Exchange Act periodic reports");

 

2. Based on myknowledge, the Exchange Act periodic reports, taken as a whole, do not containany untrue statement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report;

 

3. Based on myknowledge, all of the distribution, servicing and other information required tobe provided under Form 10-D for the period covered by this report is includedin the Exchange Act periodic reports;

 

4. Based on myknowledge and the servicer compliance statements required in this report underItem 1123 of Regulation AB, and except as disclosed in the Exchange Actperiodic reports, the servicers have fulfilled their obligations under theservicing agreements in all material respects; and

 

5. All of the reportson assessment of compliance with servicing criteria for asset-backed securitiesand their related attestation reports on assessment of compliance withservicing criteria for asset-backed securities required to be included in thisreport in accordance with Item 1122 of Regulation AB and Exchange Act Rules13a-18 and 15d-18 have been included as an exhibit to

this report, exceptas otherwise disclosed in this report. Any material instances of noncompliancedescribed in such reports have been disclosed in this report on Form 10-K.

 

In giving thecertifications above, I have reasonably relied on information provided to me bythe following unaffiliated parties:

 

KeyBank NationalAssociation, as Master Servicer, Rialto Capital Advisors, LLC, as SpecialServicer, Wells Fargo Bank, National Association, as Trustee and CertificateAdministrator, Wells Fargo Bank, National Association, as Custodian, PentalphaSurveillance LLC, as Operating Advisor, Wells Fargo Bank, National Association,as Primary Servicer for the 245 Park Avenue Mortgage Loan, AEGON USA RealtyAdvisors, LLC, as Special Servicer for the 245 Park Avenue Mortgage Loan,Wilmington Trust, National Association, as Trustee for the 245 Park AvenueMortgage Loan, Wells Fargo Bank, National Association, as Custodian for the 245Park Avenue Mortgage Loan, Trimont Real Estate Advisors, LLC, as OperatingAdvisor for the 245 Park Avenue Mortgage Loan, CoreLogic Commercial Real EstateServices, Inc., as Servicing Function Participant for the 245 Park AvenueMortgage Loan, National Tax Search, LLC, as Servicing Function Participant forthe 245 Park Avenue Mortgage Loan, 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, CoreLogicCommercial Real Estate Services, Inc., as Servicing Function Participant forthe 85 Broad Street Mortgage Loan, National Tax Search, LLC, as ServicingFunction Participant for the 85 Broad Street Mortgage Loan, Wells Fargo Bank,National Association, as Primary Servicer for the West Town Mall Mortgage Loan,Wells Fargo Bank, National Association, as Special Servicer for the West TownMall Mortgage Loan, Wilmington Trust, National Association, as Trustee for theWest Town Mall Mortgage Loan, Wells Fargo Bank, National Association, asCustodian for the West Town Mall Mortgage Loan, CoreLogic Commercial RealEstate Services, Inc., as Servicing Function Participant for the West Town MallMortgage Loan, National Tax Search, LLC, as Servicing Function Participant forthe West Town Mall Mortgage Loan, KeyBank National Association, as PrimaryServicer for the Two Independence Square Mortgage Loan, AEGON USA RealtyAdvisors, LLC, as Special Servicer for the Two Independence Square MortgageLoan, 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, Midland Loan Services, a Division of PNC Bank, National Association, asPrimary Servicer for the IC Leased Fee Hotel Portfolio Mortgage Loan, MidlandLoan Services, a Division of PNC Bank, National Association, as SpecialServicer for the IC Leased Fee Hotel Portfolio Mortgage Loan, Wells Fargo Bank,National Association, as Trustee for the IC Leased Fee Hotel Portfolio MortgageLoan, Wells Fargo Bank, National Association, as Custodian for the IC LeasedFee Hotel Portfolio Mortgage Loan, Park Bridge Lender Services LLC, asOperating Advisor for the IC Leased Fee Hotel Portfolio Mortgage Loan, 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 Commercial Real Estate Services,Inc., as Servicing Function Participant for the Westin Building ExchangeMortgage Loan, and National Tax Search, LLC, as Servicing Function Participantfor the Westin Building Exchange Mortgage Loan.

 

 

 

Dated: March 20, 2020

 

 

/s/ Charles Y. Lee

 

 

President and ChiefExecutive Officer

(seniorofficer in charge of securitization of the depositor)