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        <ExplanationTxt>AS PART OF ITS DUE DILIGENCE PROCEDURES AND PRIOR TO GRANT DISBURSEMENT, BOKF FOUNDATION VERIFIES THAT A GRANTEE ORGANIZATION IN THE U.S. IS A 170(B)(1)(A) ORGANIZATION BY REVIEWING THE ORGANIZATION'S INFORMATION ON WWW.GUIDESTAR.ORG FOR ITS MISSION STATEMENT, LIST OF GOVERNING BOARD MEMBERS AND/OR RECENT FINANCIAL STATEMENTS AND/OR FORM 990. IF ANY OF THESE DOCUMENTS ARE NOT AVAILABLE OR ARE OUT OF DATE ON GUIDESTAR, BOKF FOUNDATION REQUESTS SOME OR ALL OF THE CURRENT DOCUMENTS FROM THE GRANTEE ORGANIZATION. BOKF FOUNDATION MAINTAINS A RECORD OF DISTRIBUTIONS AND A COPY OF EACH RECIPIENT'S IRS ISSUED 501(C)(3) LETTER IS OBTAINED AND KEPT WITH THE FOUNDATION'S PERMANENT RECORDS. GRANT AGREEMENTS, TERMS OF WHICH SELF-EXECUTE UPON NEGOTIATION OF THE GRANT OR WIRE, ACCOMPANY ALL APPROVED GRANTS AND WILL BE RETURNED TO BOKF FOUNDATION. A COPY OF THIS SIGNED LETTER IS KEPT WITH FOUNDATION'S PERMANENT RECORDS.</ExplanationTxt>
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        <ExplanationTxt>BOKF Foundation's supported organization, Tulsa Community Foundation (TCF), used the following to establish the compensation of TCF's executive director, Phillip Lakin, Jr: Compensation committee; Form 990 of other organizations; Compensation survey or study; Approval by the board or compensation committee.</ExplanationTxt>
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        <ExplanationTxt>LINE 16: AN APPRAISAL WAS PREPARED BY COLLIERS INTERNATIONAL VALUATION &amp; ADVISORY SERVICES.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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