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    <ReturnTs>2026-03-05T19:43:10-07:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
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      <EIN>916000082</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>INTERNATIONAL ASSOCIATION OF SHEET METAL AIR RAIL &amp; TRANSPORTATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>INTE</BusinessNameControlTxt>
      <PhoneNum>2064060441</PhoneNum>
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        <AddressLine1Txt>479 South 190th St</AddressLine1Txt>
        <CityNm>Burien</CityNm>
        <StateAbbreviationCd>WA</StateAbbreviationCd>
        <ZIPCd>98148</ZIPCd>
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      <PersonNm>Thomas Ragghianti</PersonNm>
      <PersonTitleTxt>Secretary Treasurer</PersonTitleTxt>
      <PhoneNum>2064060441</PhoneNum>
      <SignatureDt>2026-03-05</SignatureDt>
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    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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        <PersonNm>Doug Beers</PersonNm>
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        <PersonNm>Jacob Burt</PersonNm>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Chris Dunsmoor</PersonNm>
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        <PersonNm>Mitch Farmer</PersonNm>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Herb Krohn</PersonNm>
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        <PersonNm>Thomas Ragghianti</PersonNm>
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        <PersonNm>Steven Smith</PersonNm>
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        <PersonNm>joshua Hasenleder</PersonNm>
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        <PersonNm>Dennis Haley</PersonNm>
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        <PersonNm>Rick Erwin</PersonNm>
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        <PersonNm>Erik Forland</PersonNm>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Nick Steppan</PersonNm>
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        <PersonNm>Daniel Lemyre</PersonNm>
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        <PersonNm>Benjamin Renion</PersonNm>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Sean Ross</PersonNm>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 8</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16</FormAndLineReferenceDesc>
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