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      <MajorityDirTrstSupportedOrgInd>true</MajorityDirTrstSupportedOrgInd>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc2">
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>1709241</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>136817</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>1846058</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1524447</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>184794</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>1709241</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1557137</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>-32690</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>1524447</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1634779</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>-77642</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>1557137</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1359774</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>275005</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>1634779</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>1.00000</BoardDesignatedBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>false</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>false</EndowmentsHeldRelatedOrgInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 2, PART V, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S ENDOWMENT FUNDS ARE TO BE HELD IN PERPETUITY AND INVESTMENT INCOME IS TO BE UTILIZED FOR THE CHARITABLE, SCIENTIFIC AND EDUCATIONAL PURPOSES OF THE INTERNATIONAL SKELETAL SOCIETY, INC.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleN documentId="RetDoc3">
      <DispositionOfAssetsDetail>
        <AssetsDistriOrExpnssPaidDesc>ENDOWMENT FUND</AssetsDistriOrExpnssPaidDesc>
        <DistributionDt>2025-05-31</DistributionDt>
        <FairMarketValueOfAssetAmt>1846058</FairMarketValueOfAssetAmt>
        <MethodOfFMVDeterminationTxt>MARKET</MethodOfFMVDeterminationTxt>
        <EIN>237366930</EIN>
        <PersonNm>INTERNATIONAL SKELETAL SOCIETY INC</PersonNm>
        <USAddress>
          <AddressLine1Txt>1061 E MAIN STREET SUITE 300</AddressLine1Txt>
          <CityNm>EAST DUNDEE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60118</ZIPCd>
        </USAddress>
        <IRCSectionTxt>501(C)(3)</IRCSectionTxt>
      </DispositionOfAssetsDetail>
      <DirectorOfSuccessor2Ind>false</DirectorOfSuccessor2Ind>
      <EmployeeOfSuccessor2Ind>false</EmployeeOfSuccessor2Ind>
      <OwnerOfSuccessor2Ind>false</OwnerOfSuccessor2Ind>
      <ReceiveCompensation2Ind>false</ReceiveCompensation2Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE N</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INTERNATIONAL SKELETAL SOCIETY ENDOWMENT FUND WAS TERMINATED AS A SEPARATE BUSINESS ENTITY AND MERGED WITH THE INTERNATIONAL SKELETAL SOCIETY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleN>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS OUTSOURCED ALL GENERAL AND ADMINISTRATIVE FUNCTIONS TO VERITAS ASSOCIATION MANAGEMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>AN INDEPENDENT CERTIFIED PUBLIC ACCOUNTING FIRM PREPARES THE SOCIETY'S FORM 990 AND SUBMITS THE FORM TO THE SOCIETY'S MANAGEMENT COMPANY FOR REVIEW. THE MANAGEMENT COMPANY SUBMITS THE FORM TO THE SOCIETY'S TREASURER FOR REVIEW. AN ELECTRONIC COPY OF THE FORM IS ALSO PROVIDED TO ALL VOTING MEMBERS OF THE BOARD FOR REVIEW. QUESTIONS AND COMMENTS ON THE FORM BY THE TREASURER AND BOARD MEMBERS ARE DIRECTED BACK TO THE ACCOUNTING FIRM AND MANAGEMENT COMPANY FOR RESOLUTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL OFFICERS, TRUSTEES, DIRECTORS, COMMITTEE CHAIRS, COMMITTEE MEMBERS AND OTHER VOLUNTEERS ARE REQUIRED TO DISCLOSE ALL ACTUAL OR POTENTIAL, FINANCIAL OR NON-FINANCIAL, MAJOR OR MINOR INTERESTS WHICH HE/SHE MAY HAVE IN ANY MATTER PENDING BEFORE THE ORGANIZATION THAT COULD BE CONSTRUED AS RESULTING IN A CONFLICT OF INTEREST. DISCLOSURE MUST BE MADE ANNUALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc5">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>INTERNATIONAL SKELETAL SOCIETY INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1061 E MAIN STREET SUITE 300</AddressLine1Txt>
          <CityNm>EAST DUNDEE</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60118</ZIPCd>
        </USAddress>
        <EIN>267366930</EIN>
        <PrimaryActivitiesTxt>EDUC MTGS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501C3</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</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>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>