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 in respectof 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 CertificateAdministrator 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 Commercial Real Estate Services, Inc., as Servicing FunctionParticipant for the 245 Park Avenue Mortgage Loan, National Tax Search, LLC, asServicing Function Participant for the 245 Park Avenue Mortgage Loan, WellsFargo Bank, National Association, as Primary Servicer for the 85 Broad StreetMortgage Loan, Midland Loan Services, a Division of PNC Bank, NationalAssociation, as Special Servicer for the 85 Broad Street Mortgage Loan,Wilmington Trust, National Association, as Trustee for the 85 Broad Street MortgageLoan, Wells Fargo Bank, National Association, as Certificate Administrator forthe 85 Broad Street Mortgage Loan, Wells Fargo Bank, National Association, asCustodian 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, asCertificate Administrator for the West Town Mall Mortgage Loan, Wells FargoBank, National Association, as Custodian for the West Town Mall Mortgage Loan,CoreLogic Commercial Real Estate Services, Inc., as Servicing FunctionParticipant for the West Town Mall Mortgage Loan, National Tax Search, LLC, asServicing Function Participant for the West Town Mall Mortgage Loan, KeyBankNational Association, as Primary Servicer for the Two Independence SquareMortgage Loan, AEGON USA Realty Advisors, LLC, as Special Servicer for the TwoIndependence Square Mortgage Loan, Wells Fargo Bank, National Association, asTrustee and Certificate Administrator for the Two Independence Square MortgageLoan, Wells Fargo Bank, National Association, as Custodian for the TwoIndependence Square Mortgage Loan, Park Bridge Lender Services LLC, asOperating Advisor for the Two Independence Square Mortgage Loan, Midland LoanServices, a Division of PNC Bank, National Association, as Primary Servicer forthe IC Leased Fee Hotel Portfolio Mortgage Loan, Midland Loan Services, aDivision of PNC Bank, National Association, as Special Servicer for the ICLeased Fee Hotel Portfolio Mortgage Loan, Wells Fargo Bank, NationalAssociation, as Trustee and Certificate Administrator for the IC Leased FeeHotel Portfolio Mortgage Loan, Wells Fargo Bank, National Association, asCustodian for the IC Leased Fee Hotel Portfolio Mortgage Loan, Park BridgeLender Services LLC, as Operating Advisor for the IC Leased Fee Hotel PortfolioMortgage Loan, Wells Fargo Bank, National Association, as Primary Servicer forthe Westin Building Exchange Mortgage Loan, Rialto Capital Advisors, LLC, asSpecial Servicer for the Westin Building Exchange Mortgage Loan, WilmingtonTrust, National Association, as Trustee for the Westin Building ExchangeMortgage Loan, Wells Fargo Bank, National Association, as CertificateAdministrator for the Westin Building Exchange Mortgage Loan, Wells Fargo Bank,National Association, as Custodian for the Westin Building Exchange MortgageLoan, Pentalpha Surveillance LLC, as Operating Advisor for the Westin BuildingExchange Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., asServicing Function Participant for the Westin Building Exchange Mortgage Loan,and National Tax Search, LLC, as Servicing Function Participant for the WestinBuilding Exchange Mortgage Loan.

 

 

 

Dated: March 21, 2018

 

 

/s/ Charles Y. Lee

 

 

President and Chief ExecutiveOfficer

(seniorofficer in charge of securitization of the depositor)