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        <Desc>PROPERTY TAXES</Desc>
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      <OtherExpensesGrp>
        <Desc>BUILDING EXPENSES</Desc>
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      <OtherExpensesGrp>
        <Desc>GIFTS AND MISCELLANEOUS</Desc>
        <TotalAmt>22032</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>26122</TotalAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>1181627</TotalAmt>
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      <CashNonInterestBearingGrp>
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        <EOYAmt>283841</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <EOYAmt>1096627</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>640456</BOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>1943298</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>37986</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>1905312</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <TotalAssetsGrp>
        <BOYAmt>1931873</BOYAmt>
        <EOYAmt>3285780</EOYAmt>
      </TotalAssetsGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <EOYAmt>1230246</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>1230246</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>1931873</BOYAmt>
        <EOYAmt>2055534</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>1931873</BOYAmt>
        <EOYAmt>2055534</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>1931873</BOYAmt>
        <EOYAmt>3285780</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>279539</ReconcilationRevenueExpnssAmt>
      <PriorPeriodAdjustmentsAmt>-155879</PriorPeriodAdjustmentsAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="RetDoc1039500001">
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>ATU LOCAL 1555 POLITICAL ACTION COMMITTEE</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>132 9TH STREET</AddressLine1Txt>
          <CityNm>OAKLAND</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94607</ZIPCd>
        </USAddress>
        <EIN>820552880</EIN>
        <ContributionsRcvdDlvrAmt>105319</ContributionsRcvdDlvrAmt>
      </Section527PoliticalOrgGrp>
      <SubstantiallyAllDuesNondedInd>1</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>0</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>0</AgreeCarryoverPriorYearInd>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>477888</OtherCostOrOtherBasisAmt>
        <BookValueAmt>477888</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>1433665</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>36761</DepreciationAmt>
        <BookValueAmt>1396904</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>31745</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>1225</DepreciationAmt>
        <BookValueAmt>30520</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <TotalBookValueLandBuildingsAmt>1905312</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE LOCAL UNION ACCOUNTS FOR INCOME TAXES IN ACCORDANCE WITH THE ASC TOPIC INCOME TAXES. THESE PROVISIONS PROVIDE CONSISTENT GUIDANCE FOR THE ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES RECOGNIZED IN AN ENTITY'S FINANCIAL STATEMENTS AND PRESCRIBE A THRESHOLD OF "MORE LIKELY THAN NOT" FOR RECOGNITION AND DERECOGNITION OF TAX POSITIONS TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN. THE LOCAL UNION PERFORMED AN EVALUATION OF UNCERTAIN TAX POSITIONS FOR THE YEAR ENDED DECEMBER 31, 2023, AND DETERMINED THAT THERE WERE NO MATTERS THAT WOULD REQUIRE RECOGNITION IN THE FINANCIAL STATEMENTS OR THAT MAY HAVE AN EFFECT ON ITS TAX-EXEMPT STATUS. AS OF DECEMBER 31, 2023, THE STATUTE OF LIMITATIONS FOR TAX YEARS 2020 THROUGH 2022 REMAIN OPEN WITH THE U.S. FEDERAL JURISDICTION AND THE VARIOUS STATES AND LOCAL JURISDICTIONS IN WHICH THE UNION FILES RETURNS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>CERTAIN EMPLOYEES OF THE BAY AREA RAPID TRANSIT DISTRICT ARE MEMEBRS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECT ELECTION BY MEMBERS WHO ARE CERTAIN EMPLOYEES OF BAY AREA RAPID TRANSIT DISTRICT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL MEMBERS ARE ELIGIBLE TO VOTE AT MONTHLY MEMBERSHIP MEETINGS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS REVIEWED AT THE REGULARLY HELD EXECUTIVE BOARD MEETING PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>SEE SCHEDULE O</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS HAS NOT CHANGED SINCE LAST YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>