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    <ReturnTs>2026-04-21T19:05:13-07:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
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      <EIN>396076003</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>INTERNATIONAL ASSOCIATION OF MACHINISTS &amp; AEROSPACE WORKERS</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>INTE</BusinessNameControlTxt>
      <PhoneNum>6088937560</PhoneNum>
      <USAddress>
        <AddressLine1Txt>817 Rose Street</AddressLine1Txt>
        <CityNm>La Crosse</CityNm>
        <StateAbbreviationCd>WI</StateAbbreviationCd>
        <ZIPCd>546032634</ZIPCd>
      </USAddress>
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    <BusinessOfficerGrp>
      <PersonNm>Leah Smerud</PersonNm>
      <PersonTitleTxt>Secretary Treasurer</PersonTitleTxt>
      <PhoneNum>6088937560</PhoneNum>
      <SignatureDt>2026-04-18</SignatureDt>
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    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <WebsiteAddressTxt>http://www.iamdistrict66.org/</WebsiteAddressTxt>
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      <MembershipDuesAmt>73168</MembershipDuesAmt>
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      <TotalRevenueAmt>88667</TotalRevenueAmt>
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      <FeesAndOtherPymtToIndCntrctAmt>577</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>85</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>326</PrintingPublicationsPostageAmt>
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      <TotalExpensesAmt>52135</TotalExpensesAmt>
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        <EOYAmt>431536</EOYAmt>
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      <PrimaryExemptPurposeTxt>For the betterment of wages, hours and working conditions of represented members.</PrimaryExemptPurposeTxt>
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        <DescriptionProgramSrvcAccomTxt>The betterment of wages, hours and working conditions of represented members.</DescriptionProgramSrvcAccomTxt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Dean Rink</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.0</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>350</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>100</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>John Blashaski</PersonNm>
        <TitleTxt>Conductor Sentinel</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
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        <ExpenseAccountOtherAllwncAmt>25</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Ernie Domnie</PersonNm>
        <TitleTxt>President</TitleTxt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Rodney Perry</PersonNm>
        <TitleTxt>Financial Secretary Treasurer</TitleTxt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>David Freeman</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Larry Klukas</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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        <CompensationAmt>60</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Daniel Clark</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Michael Davis</PersonNm>
        <TitleTxt>Recording Secretary</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1</AverageHrsPerWkDevotedToPosRt>
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        <PersonNm>Leah Smerud</PersonNm>
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          <AddressLine1Txt>817 Rose Street</AddressLine1Txt>
          <CityNm>La Crosse</CityNm>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 8</FormAndLineReferenceDesc>
        <ExplanationTxt>Description;Amount^Reimbursements;976|Redeposited and Protested Checks;219^Total;1195^</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Description;Amount^Reimbursed Expenses;13551|Dues Refunds;2659|Payroll Taxes;2396|Voluntary Donations;1338|Office Supplies New Equipment;1392|Payments to Affiliates;620|Bond and Insurance;569^Total;22525^</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 20</FormAndLineReferenceDesc>
        <ExplanationTxt>Purchase 2 new laptops</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990-EZ, Part II, Line 24</FormAndLineReferenceDesc>
        <ExplanationTxt>line 24 office equipment beginning of year:0 end of year 1393.</ExplanationTxt>
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