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

 

 

I,Anthony Sfarra, certify that:

 

1. Ihave reviewed this report on Form 10-K and all reports on Form 10-D required tobe filed in respect of the period covered by this report on Form 10-K of theBANK 2021-BNK31 (the "Exchange Act periodic reports");

 

2.Based on my knowledge, the Exchange Act periodic reports, taken as a whole, donot contain any untrue statement of a material fact or omit to state a materialfact necessary 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 my knowledge, all of the distribution, servicing and other informationrequired to be provided under Form 10-D for the period covered by this reportis included in the Exchange Act periodic reports;

 

4.Based on my knowledge and the servicer compliance statements required in thisreport under Item 1123 of Regulation AB, and except as disclosed in theExchange Act periodic reports, the servicers have fulfilled their obligationsunder the servicing agreements in all material respects; and

 

5. Allof the reports on assessment of compliance with servicing criteria forasset-backed securities and their related attestation reports on assessment ofcompliance with servicing criteria for asset-backed securities required to beincluded in this report in accordance with Item 1122 of Regulation AB andExchange Act Rules 13a-18 and 15d-18 have been included as an exhibit to thisreport, except as otherwise disclosed in this report. Any material instances ofnoncompliance described in such reports have been disclosed in this report onForm 10-K.

 

Ingiving the certifications above, I have reasonably relied on informationprovided to me by the following unaffiliated parties:

 

NationalCooperative Bank, N.A., as NCB Master Servicer, KeyBank National Association,as General Special Servicer, National Cooperative Bank, N.A., as NCB SpecialServicer, Wilmington Trust, National Association, as Trustee, Park BridgeLender Services LLC, as Operating Advisor, CoreLogic Solutions, LLC, asServicing Function Participant, Computershare Trust Company, NationalAssociation, as Servicing Function Participant for the CertificateAdministrator, Computershare Trust Company, National Association, as ServicingFunction Participant for the Custodian, Rialto Capital Advisors, LLC, asSpecial Servicer for the 250 West 57th Street Mortgage Loan, Wilmington Trust,National Association, as Trustee for the 250 West 57th Street Mortgage Loan,Pentalpha Surveillance LLC, as Operating Advisor for the 250 West 57th StreetMortgage Loan, CoreLogic Solutions, LLC, as Servicing Function Participant forthe 250 West 57th Street Mortgage Loan, Computershare Trust Company, NationalAssociation, as Servicing Function Participant for the Custodian for the 250West 57th Street Mortgage Loan, Rialto Capital Advisors, LLC, as Special Servicerfor the Coleman Highline Mortgage Loan, Wilmington Trust, National Association,as Trustee for the Coleman Highline Mortgage Loan, Pentalpha Surveillance LLC,as Operating Advisor for the Coleman Highline Mortgage Loan, CoreLogicSolutions, LLC, as Servicing Function Participant for the Coleman HighlineMortgage Loan, Computershare Trust Company, National Association, as ServicingFunction Participant for the Custodian for the Coleman Highline Mortgage Loan,Greystone Servicing Company LLC, as Special Servicer for the McClellan ParkMortgage Loan, Wilmington Trust, National Association, as Trustee for theMcClellan Park Mortgage Loan, Park Bridge Lender Services LLC, as OperatingAdvisor for the McClellan Park Mortgage Loan, CoreLogic Solutions, LLC, asServicing Function Participant for the McClellan Park Mortgage Loan,Computershare Trust Company, National Association, as Servicing FunctionParticipant for the Custodian for the McClellan Park Mortgage Loan, GreystoneServicing Company LLC, as Special Servicer for the 605 Third Avenue MortgageLoan, Wilmington Trust, National Association, as Trustee for the 605 ThirdAvenue Mortgage Loan, Park Bridge Lender Services LLC, as Operating Advisor forthe 605 Third Avenue Mortgage Loan, CoreLogic Solutions, LLC, as ServicingFunction Participant for the 605 Third Avenue Mortgage Loan, ComputershareTrust Company, National Association, as Servicing Function Participant for theCustodian for the 605 Third Avenue Mortgage Loan, Greystone Servicing CompanyLLC, as Special Servicer for the McDonald’s Global HQ Mortgage Loan, WilmingtonTrust, National Association, as Trustee for the McDonald’s Global HQ MortgageLoan, Park Bridge Lender Services LLC, as Operating Advisor for the McDonald’sGlobal HQ Mortgage Loan, CoreLogic Solutions, LLC, as Servicing FunctionParticipant for the McDonald’s Global HQ Mortgage Loan, Computershare TrustCompany, National Association, as Servicing Function Participant for theCustodian for the McDonald’s Global HQ Mortgage Loan, Greystone ServicingCompany LLC, as Special Servicer for the ExchangeRight Net Leased Portfolio #41Mortgage Loan, Wilmington Trust, National Association, as Trustee for theExchangeRight Net Leased Portfolio #41 Mortgage Loan, Park Bridge LenderServices LLC, as Operating Advisor for the ExchangeRight Net Leased Portfolio#41 Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function Participantfor the ExchangeRight Net Leased Portfolio #41 Mortgage Loan, ComputershareTrust Company, National Association, as Servicing Function Participant for theCustodian for the ExchangeRight Net Leased Portfolio #41 Mortgage Loan,Greystone Servicing Company LLC, as Special Servicer for the Fresh PondCambridge Mortgage Loan, Wilmington Trust, National Association, as Trustee forthe Fresh Pond Cambridge Mortgage Loan, Park Bridge Lender Services LLC, asOperating Advisor for the Fresh Pond Cambridge Mortgage Loan, CoreLogicSolutions, LLC, as Servicing Function Participant for the Fresh Pond CambridgeMortgage Loan, Computershare Trust Company, National Association, as ServicingFunction Participant for the Custodian for the Fresh Pond Cambridge MortgageLoan, Rialto Capital Advisors, LLC, as Special Servicer for the Miami DesignDistrict Mortgage Loan, Wilmington Trust, National Association, as Trustee forthe Miami Design District Mortgage Loan, Park Bridge Lender Services LLC, asOperating Advisor for the Miami Design District Mortgage Loan, CoreLogicSolutions, LLC, as Servicing Function Participant for the Miami Design DistrictMortgage Loan, and Computershare Trust Company, National Association, asServicing Function Participant for the Custodian for the Miami Design DistrictMortgage Loan.

 

 

Dated: March 15, 2024

 

 

/s/Anthony Sfarra

AnthonySfarra

President

(seniorofficer in charge of securitization of the depositor)