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        <ExplanationTxt>UNCERTAIN TAX POSITIONS THE ACCOUNTING STANDARD ON ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES ADDRESSES THE DETERMINATION OF WHETHER TAX BENEFITS CLAIMED OR EXPECTED TO BE CLAIMED ON A TAX RETURN SHOULD BE RECORDED IN THE FINANCIAL STATEMENTS. UNDER THAT GUIDANCE, THE ASSOCIATION MAY RECOGNIZE THE TAX BENEFIT FROM AN UNCERTAIN TAX POSITION ONLY IF IT IS MORE LIKELY THAN NOT THAT THE TAX POSITION WILL BE SUSTAINED ON EXAMINATION BY TAXING AUTHORITIES BASED ON THE TECHNICAL MERITS OF THE POSITION. EXAMPLES OF TAX POSITIONS INCLUDE THE TAX-EXEMPT STATUS OF THE ASSOCIATION AND VARIOUS POSITIONS RELATED TO THE POTENTIAL SOURCES OF UNRELATED BUSINESS TAX INCOME (UBTI). THE TAX BENEFITS RECOGNIZED IN THE FINANCIAL STATEMENTS FROM SUCH A POSITION ARE MEASURED BASED ON THE LARGEST BENEFIT THAT HAS A GREATER THAN 50% LIKELIHOOD OF BEING REALIZED UPON ULTIMATE SETTLEMENT. THERE WERE NO UNRECOGNIZED TAX BENEFITS IDENTIFIED OR RECORDED AS LIABILITIES FOR THE YEAR ENDED DECEMBER 31, 2024. SHOULD ANY PENALTIES AND INTEREST BE INCURRED, THE ASSOCIATION'S POLICY WOULD BE TO RECOGNIZE THEM AS GENERAL AND ADMINISTRATIVE EXPENSES. GENERALLY THE ASSOCIATION'S TAX RETURNS REMAIN OPEN FOR THREE YEARS FOR FEDERAL INCOME TAX EXAMINATION AND FOUR YEARS FOR STATE INCOME EXAMINATION.</ExplanationTxt>
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      <WrittenPolicyRefTAndEExpnssInd>true</WrittenPolicyRefTAndEExpnssInd>
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        <PersonNm>OSCAR ZANONI</PersonNm>
        <TitleTxt>VP-CERTIFICATION PRO</TitleTxt>
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        <FormAndLineReferenceDesc>SCHEDULE J, PAGE 1, PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>IT IS THE ORGANIZATION'S POLICY TO FLY COACH/BUSINESS CLASS. EXCEPTIONS ARE SOMETIMES MADE FOR INTERNATIONAL TRAVEL, WHEN NO OTHER CLASS OF TRAVEL IS AVAILABLE AND WHEN REIMBURSED TO IAPMO R&amp;T BY CLIENTS BEING SERVED. THE FIRST CLASS UPGRADES WERE NOT TREATED AS TAXABLE COMPENSATION.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4D</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER REVENUE COMES FROM ISO REGISTRATION, LABORATORY RECOGNITION, STANDARDS, CONSULTING INCOME, AND WITNESS/FIELD TESTING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>INDONESIA, MEXICO</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS ONE MEMBER, INTERNATIONAL ASSOCIATION OF PLUMBING AND MECHANICAL OFFICIALS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S MEMBER APPOINTS DIRECTORS TO SERVE ON THE BOARD.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE IS NO COMMITTEE WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPLETED FORM 990 IS PROVIDED TO THE BOARD OF DIRECTORS BEFORE THEIR FALL BOARD MEETING. IT IS REVIEWED IN DETAIL WITH STAFF AT SUCH MEETING. MINUTES OF THE MEETING ARE KEPT.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL BOARD MEMBERS REVIEW AND SIGN THE CODE OF ETHICS ANNUALLY. ALL EMPLOYEES REVIEW AND SIGN THE CONFLICT OF INTEREST POLICY ANNUALLY. THE CEO REVIEWS THE SIGNED FORMS TO ENSURE COMPLIANCE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>AN INDEPENDENT FIRM WAS HIRED IN 2021 TO PERFORM ANOTHER COMPETITIVE ASSESSMENT OF WAGES OF APPROXIMATELY 70 STAFF POSITIONS AT VARIOUS LEVELS, INCLUDING KEY STAFF.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>AN INDEPENDENT FIRM WAS HIRED IN 2021 TO PERFORM ANOTHER COMPETITIVE ASSESSMENT OF WAGES OF APPROXIMATELY 70 STAFF POSITIONS AT VARIOUS LEVELS, INCLUDING KEY STAFF. KEY EMPLOYEES REPORTED ON FORM 990, SCH J CONSIST OF THOSE EMPLOYEES THAT RECEIVED IN EXCESS OF 150,000 OF REPORTABLE COMPENSATION DURING 2024 AND MEET THE RESPONSIBILITY TEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>NO DOCUMENTS, EXCEPT TAX RETURN, AVAILABLE TO THE PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI</FormAndLineReferenceDesc>
        <ExplanationTxt>SECTION A, LINE 1A - OFFICERS, DIRECTORS, TRUSTEES THE ORGANIZATION'S OFFICERS AND BOARD MEMBERS WERE APPOINTED ON NOVEMBER 15, 2024. ALL PAYROLL IS PAID BY THE RELATED TAX-EXEMPT ORGANIZATION, INTERNATIONAL ASSOCIATION OF PLUMBING AND MECHNICAL OFFICIALS. THE SALARIES INCLUDED HERE ARE FOR EMPLOYEES WORKING EXCLUSIVELY FOR IAPMO RESEARCH &amp; TESTING, INC., IAPMO TESTING AND SERVICES, LLC AND ASSE INTERNATIONAL CHAPTER OF IAPMO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>NET CONTRIBUTIONS TO RELATED TAX-EXEMPT ORGANIZATI -15,174,981</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc6">
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>IAPMO TESTING &amp; SERVICES LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>4755 E PHILADELPHIA STREET</AddressLine1Txt>
          <CityNm>ONTARIO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>91761</ZIPCd>
        </USAddress>
        <EIN>954745221</EIN>
        <PrimaryActivitiesTxt>PRODUCT TE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <TotalIncomeAmt>-2183590</TotalIncomeAmt>
        <EndOfYearAssetsAmt>3680791</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>IAPMO RESE</BusinessNameLine1Txt>
          <BusinessNameLine2Txt>IAPMO RESEARCH AND TESTING INC</BusinessNameLine2Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ASSE INTERNATIONAL CHAPTER OF IAPMO</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>18927 HICKORY DRIVE SUITE 220</AddressLine1Txt>
          <CityNm>MOKENA</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60448</ZIPCd>
        </USAddress>
        <EIN>461579594</EIN>
        <PrimaryActivitiesTxt>QUALIFICAT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <TotalIncomeAmt>1081032</TotalIncomeAmt>
        <EndOfYearAssetsAmt>13997278</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>IAPMO RESE</BusinessNameLine1Txt>
          <BusinessNameLine2Txt>IAPMO RESEARCH AND TESTING INC</BusinessNameLine2Txt>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>INT'L ASSN OF PLUMBING &amp; MECH OFFIC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>4755 E PHILADELPHIA STREET</AddressLine1Txt>
          <CityNm>ONTARIO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>917612816</ZIPCd>
        </USAddress>
        <EIN>951603192</EIN>
        <PrimaryActivitiesTxt>SELLS CODE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501C6</ExemptCodeSectionTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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          <BusinessNameLine1Txt>PT IAPMO GROUP INDONESIA</BusinessNameLine1Txt>
        </RelatedOrganizationName>
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          <AddressLine1Txt>JI KAPUK TIMUR BLOCK F2311AA LIPP</AddressLine1Txt>
          <CityNm>BEKASI</CityNm>
          <ProvinceOrStateNm>JAWA BARAT</ProvinceOrStateNm>
          <CountryCd>ID</CountryCd>
          <ForeignPostalCd>17530</ForeignPostalCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>PRODUCT TE</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>ID</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>IAPMO</BusinessNameLine1Txt>
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        <ShareOfTotalIncomeAmt>-148395</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>1072371</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>IAPMO MEXICO</BusinessNameLine1Txt>
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        <ForeignAddress>
          <AddressLine1Txt>BLVD PROFESOR HUMBERTO RAMOS LOZANO</AddressLine1Txt>
          <CityNm>APODACA</CityNm>
          <ProvinceOrStateNm>NL</ProvinceOrStateNm>
          <CountryCd>MX</CountryCd>
          <ForeignPostalCd>66607</ForeignPostalCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>PRODUCT TE</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>MX</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>IAPMO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C CORP</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>-131361</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>289648</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>true</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>true</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>INT'L ASSN OF PLUMBING &amp; MECH OFFIC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>B</TransactionTypeTxt>
        <InvolvedAmt>15174981</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>CASH</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>INT'L ASSN OF PLUMBING &amp; MECH OFFIC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>P</TransactionTypeTxt>
        <InvolvedAmt>13715854</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FORMULA</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>PT IAPMO GROUP INDONESIA</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>B</TransactionTypeTxt>
        <InvolvedAmt>415796</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>CASH</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>IAPMO MEXICO</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>B</TransactionTypeTxt>
        <InvolvedAmt>157835</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>CASH</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE R</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHEDULE R, PART V, TRANSACTIONS WITH RELATED ORGANIZATIONS MANAGEMENT, MARKETING AND FACILITY EXPENSES ARE SHARED BY INTERNATIONAL ASSOCIATION OF PLUMBING AND MECHANICAL OFFICIALS (IAPMO) AND IAPMO RESEARCH &amp; TESTING, INC. (R&amp;T) EXPENSES ARE PAID BY IAPMO. PERCENTAGES HAVE BEEN DEVELOPED TO ALLOCATE AND CHARGE R&amp;T FOR THEIR SHARE OF SUCH EXPENSES. R&amp;T MAKES CONTRIBUTIONS TO IAPMO DURING THE YEAR THAT INCLUDE REIMBURSEMENT OF THE ALLOCATED EXPENSES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>