Attached files

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


I, Helaine M. Kaplan, 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 COMM 2013-CCRE12 Mortgage Trust (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, LNR Partners,
    LLC, 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, Park Bridge Lender Servicer LLC,
    as Operating Advisor, CoreLogic Commercial Real Estate Services, Inc. as
    Servicing Function Participant, National Tax Search, LLC, as Servicing
    Function Participant, Midland Loan Services, a Division of PNC Bank,
    National Association, as Primary Servicer, Midland Loan Services, a
    Division of PNC Bank, National Association, as Primary Servicer for the
    Oglethorpe Mall Mortgage Loan, Situs Holdings, LLC, as Special Servicer for
    the Oglethorpe Mall Mortgage Loan, U.S. Bank National Association, as
    Trustee for the Oglethorpe Mall Mortgage Loan, and Park Bridge Lender
    Services LLC, as Operating Advisor for the Oglethorpe Mall Mortgage Loan.


    Dated:   May 21, 2014


    /s/ Helaine M. Kaplan
    Signature

    President
    (senior officer in charge of securitization of the depositor