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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part V, Line 4 Intended uses of endowment funds</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
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      <RealEstateResidentialGrp>
        <ContributionCnt>4</ContributionCnt>
        <NoncashContributionsRptF990Amt>379000</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Market value</MethodOfDeterminingRevenuesTxt>
      </RealEstateResidentialGrp>
      <Form8283ReceivedCnt>0</Form8283ReceivedCnt>
      <AnyPropertyThatMustBeHeldInd>false</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>true</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>false</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule M, Part I Explanations of reporting method for number of contributions</FormAndLineReferenceDesc>
        <ExplanationTxt>Real estate - Residential - NUMBER OF ITEMS RECEIVED</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="24020961" softwareVersionNum="2024v5.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 3 Delegation of management duties</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CHICKASAW FOUNDATION ENTERED INTO AN AGREEMENT WITH THE CHICKASAW NATION TO MANAGE THE ACTIVITIES AND OFFICE OF THE CHICKASAW FOUNDATION. THE PRESIDENT OF CHICKASAW FOUNDATION IS AN EMPLOYEE OF CHICKASAW NATION AND IS COMPENSATED THROUGH THIS MANAGEMENT AGREEMENT. PER IRS GRUIDANCE, NO COMPENSATION IS SHOWN ON FORM 990, PART VII, FOR THIS INDIVIDUAL: JUSTIN WILLIAMS $70,948</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 6 Classes of members or stockholders</FormAndLineReferenceDesc>
        <ExplanationTxt>ANY MEMBER OF THE CHICKASAW FOUNDATION CAN NOMINATE A PERSON FOR THE CHICKASAW FOUNDATION BOARD OF TRUSTEES. THE BOARD THEN VOTES ON THE NOMINEES TO DETERMINE WHO FILLS THE OPEN POSITION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS SENT TO ALL BOARD MEMBERS FOR THEM TO REVIEW, ASK QUESTIONS AND REQUEST CHANGES BEFORE THE FINAL FORM IS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c Conflict of interest policy</FormAndLineReferenceDesc>
        <ExplanationTxt>IF THERE IS A POSSIBLE CONFLICT OF INTEREST WITH A PROPOSED TRANSACTION OR ACTIVITY OF THE FOUNDATION, IT WILL BE BROUGHT TO THE BOARD'S ATTENTION. THE BOARD WILL THEN MAKE A DETERMINATION IF THERE IS AN ACTUAL CONFLICT OF INTEREST AND WHAT ACTION IS DEEMED NECESSARY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PUBLIC CAN REQUEST THE DOCUMENTS BY CONTACTING THE CHICKASAW FOUNDATION OFFICE OR BY VISITING OUR WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 1 Change of accounting method or other type of acounting method</FormAndLineReferenceDesc>
        <ExplanationTxt>THE METHOD OF ACCOUNTING WAS CHANGED TO ACCRUAL TO BE IN ACCORDANCE WITH THE AUDIT OF THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR" softwareId="24020961" softwareVersionNum="2024v5.1">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Chickasaw Nation</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>PO Box 1548</AddressLine1Txt>
          <CityNm>Ada</CityNm>
          <StateAbbreviationCd>OK</StateAbbreviationCd>
          <ZIPCd>74821</ZIPCd>
        </USAddress>
        <PrimaryActivitiesTxt>Tribal Government</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>OK</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>true</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>true</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>