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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THREE OFFICERS/BOARD MEMBERS WORK FOR THE SAME COMPANY BUT ARE ELECTED BY DIFFERENT LOCAL ASSOCIATIONS: KEVIN OEDING (DALLAS), JOHN GARGOTTA (SAN ANTONIO), RYAN REHMANN (SAN ANTONIO), AND JEFF HENKENER (AUSTIN).</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>9 MANAGEMENT DUTIES ARE PERFORMED BY REX ASSOCIATION MANAGEMENT, LLC. FOR THE YEAR ENDING FEBRUARY 28, 2023, MECHANICAL CONTRACTORS ASSOCIATIONS OF TEXAS, INC. PAID REX ASSOCIATION MANAGEMENT, LLC $65,720 FOR MANAGEMENT DUTIES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 AND ALL ASSOCIATED SCHEDULES ARE REVIEWED BY THE EXECUTIVE VICE PRESIDENT AND PRESENTED TO THE BOARD OF DIRECTORS FOR THEIR REVIEW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 AND ALL OTHER REQUIRED DOCUMENTS ARE MADE AVAILABLE, UPON REQUEST, AT THE MANAGEMENT OFFICE DURING NORMAL BUSINESS HOURS.</ExplanationTxt>
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          <StateAbbreviationCd>TX</StateAbbreviationCd>
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