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        <EOYAmt>0</EOYAmt>
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      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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      <PaidStaffOrManagementInd>false</PaidStaffOrManagementInd>
      <MediaAdvertisementsInd>false</MediaAdvertisementsInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE C, PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>MOUNTAIN PLAINS MUSEUMS ASSOCATION PARTICIPATED IN 'MUSEUMS ADVOCACY DAY' - AN ANNUAL EVENT THAT IS ORGANIZED BY THE AMERICAN ASSOCIATION OF MUSEUMS, AND HELPS MUSEUM SUPPORTERS SCHEDULE MEETINGS WITH THEIR RESPECTIVE LEGISLATIVE REPRESENTATIVES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MPMA IS A MEMBER ORGANIZATION AND THE MEMBERSHIP ELECTS THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGES TO THE BYLAWS OR CONSTITUTION MUST BE APPROVED BY THE MEMBERSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERS OF THE GOVERNING BODY ARE PROVIDED ACCESS TO THE FORM 990 FOR REVIEW VIA A SECURE WEB PORTAL AND ARE ASKED TO PRESENT ANY QUESTIONS AND/OR COMMENTS PRIOR TO ITS FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD OFFICERS ARE EXPECTED TO REVIEW AND SIGN THE CODE OF ETHICS ANNUALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>MPMA MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC THROUGH THE WEBSITE AND/OR UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
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</Return>
