Attached files

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

  I, Brian Baker, certify that:

  1.I have reviewed this report on Form 10-K and all reports on Form 10-D
    required to be filed in respect of the period covered by this report on Form
    10-K of the J.P. Morgan Chase Commercial Mortgage Securities Trust 2012-CIBX
    (the "Exchange Act periodic reports");

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

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

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

  In giving the certifications above, I have reasonably relied on information
  provided to me by the following unaffiliated parties:

  Wells Fargo Bank, National Association, as Master Servicer, Midland Loan
  Services, a Division of PNC Bank, National Association, as Special Servicer,
  U.S. Bank National Association, as Trustee, Wells Fargo Bank, National
  Association, as Certificate Administrator, Wells Fargo Bank, National
  Association, as Custodian, TriMont Real Estate Advisors, Inc., as Senior Trust
  Advisor, Midland Loan Services, a Division of PNC Bank, National Association,
  as Primary Servicer, CoreLogic Commercial Real Estate Services, Inc., as
  Servicing Function Participant, and National Tax Search, LLC, as Servicing
  Function Participant.


    Dated:   March 28, 2014



    /s/ Brian Baker
    Signature

    President and Chief Executive Officer
    (senior officer in charge of securitization of the depositor)