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      <OtherLiabilitiesOrgGrp>
        <Desc>BENEFITS PAYABLE</Desc>
        <Amt>23099</Amt>
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      <TotalLiabilityAmt>23099</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueSubtotalAmt>34550177</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>34550177</TotalRevenuePerForm990Amt>
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      <OtherExpensesIncludedAmt>-12669</OtherExpensesIncludedAmt>
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      <TotalExpensesPerForm990Amt>15302595</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>the plan has adopted guidance on accounting for uncertainty in income taxes issued by the financial accounting standards board. the plan administrator believes that the plan has taken no uncertain tax positions that require adjustment to the financial statements to comply with the provisions of this guidance. part xii, line 2D: Increase in benefits payable at December 31, 2023 ($12,669).</ExplanationTxt>
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    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1 AND PART III, LINES 1 AND 4A:</FormAndLineReferenceDesc>
        <ExplanationTxt>the caltech retiree medical plan for jpl employees veba trust ("trust") was established to hold in trust contributions to the caltech retiree health and life benefits program for jpl retirees ("plan") and to facilitate the plan's investment and benefits payment activity. the plan, amended and restated as of January 1, 2015, is sponsored by the California institute of technology (the "institute"caltech"). the plan provides post-retirement medical, dental, vision and life insurance benefits to eligible retirees and their spouses and dependents of caltech's jet propulsion laboratory ("jpl"), a federally funded research and development center managed by caltech for the national aeronautics and space administration ("nasa").</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>part vi, section a, line 1a and part vii, section a, line 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>the sole trustee of the trust is northern trust. the trust has no other trustees and has no board members, officers, or employees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>part vi, section a, lines 3 and 7b:</FormAndLineReferenceDesc>
        <ExplanationTxt>under the trust agreement, caltech is the administrator of the trust. as a result, caltech's officers, employees, and contractors oversee the day-to-day operations of the trust. caltech's services as administrator are provided at no charge to the trust.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>part vi, section b, line 11b:</FormAndLineReferenceDesc>
        <ExplanationTxt>the institute prepares form 990 with the assistance of a paid preparer. a final draft of form 990 is provided to the oversight committee and caltech's vp &amp; cfo prior to filing with the irs. an authorized signatory of the trust and its paid preparer, respectively, sign the final form 990.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>part vi, section b, lines 12-14:</FormAndLineReferenceDesc>
        <ExplanationTxt>the trust is administered by caltech employees and certain contractors selected by caltech to perform various administrative services for the trust. although the trust does not have conflict of interest, whistleblower, and document retention and destruction policies, caltech employees that administer the trust and members of the oversight committee are required to abide by caltech's respective policies in these areas.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>part vi, section c, line 19:</FormAndLineReferenceDesc>
        <ExplanationTxt>the trust's governing documents and financial statements and caltech's conflict of interest policy are available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>CALIFORNIA INSTITUTE OF TECHNOLOGY</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1200 E CALIFORNIA BLVD</AddressLine1Txt>
          <CityNm>PASADENA</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>91125</ZIPCd>
        </USAddress>
        <EIN>951643307</EIN>
        <PrimaryActivitiesTxt>education</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>501(a)(1)</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
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      <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>true</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>true</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>true</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>true</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
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          <BusinessNameLine1Txt>CALIFORNIA INSTITUTE OF TECHNOLOGY</BusinessNameLine1Txt>
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        <MethodOfAmountDeterminationTxt>AMT REC'D</MethodOfAmountDeterminationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule r, part ii, line 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>california institute of technology is the sponsor of the plan and the administrator of the trust. schedule r, part v, line 1c: caltech makes contributions to the trust according to a funding arrangement with nasa that is stipulated in the contract between caltech and nasa for the management of jpl. schedule r, part v, line 1m: caltech employees perform administrative services for the trust. such services are part of the normal course of such employees' duties in administering caltech's benefit plans, and caltech receives no reimbursement for such service to the trust. therefore, the aforementioned services are not recorded as contributions to the trust. Schedule r, part v, line 1q: caltech contributes to the trust to fund external administrative costs, such as recordkeeping, investment management and audit expenses.</ExplanationTxt>
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</Return>