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      <PublicSupportCY170Pct>0.31980</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.25980</PublicSupportPY170Pct>
      <TenPctFactsCrcmstncsTestCYInd>X</TenPctFactsCrcmstncsTestCYInd>
      <FactsAndCircumstancesTestTxt>THE ORGANIZATION MAINTAINS A CONTINUOUS AND BONA FIDE PROGRAM FOR SOLICITATION FROM THE PUBLIC, BY MAINTAINING A WEBSITE WITH A DONATE BUTTON AND BY HOSTING EVENTS FOR THE GENERAL PUBLIC ON THE GROUNDS OF THE HISTORICAL SITE TO ATTRACT INTEREST FROM THE PUBLIC AND FOSTER KNOWLEDGE IN THE HISTORY OF AMAGANSETT. THE ORGANIZATION ALSO CONDUCTS MAIL SOLICITATION CAMPAIGNS WITH LETTERS TO THE COMMUNITY. IT HAS A GOVERNING BODY THAT IS ALL VOLUNTEER, EXCEPT FOR ONE PERSON THAT IS PAID TO MAINTAIN THE GROUNDS. THE GOVERNING BODY HAVE LONG TERM INTEREST IN AMAGANSETT AND PRESERVING IT'S HISTORY AND SHARING THAT WITH THE COMMUNITY AT LARGE. THERE WAS A LARGE DONATION FROM AN ESTATE OF A DECEASED LOCAL RESIDENT IN 2024 THAT INCREASED THE MORE THAN 2% RATIO.</FactsAndCircumstancesTestTxt>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART II, LINE 17A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAINTAINS A CONTINUOUS AND BONA FIDE PROGRAM FOR SOLICITATION FROM THE PUBLIC, BY MAINTAINING A WEBSITE WITH A DONATE BUTTON AND BY HOSTING EVENTS FOR THE GENERAL PUBLIC ON THE GROUNDS OF THE HISTORICAL SITE TO ATTRACT INTEREST FROM THE PUBLIC AND FOSTER KNOWLEDGE IN THE HISTORY OF AMAGANSETT. THE ORGANIZATION ALSO CONDUCTS MAIL SOLICITATION CAMPAIGNS WITH LETTERS TO THE COMMUNITY. IT HAS A GOVERNING BODY THAT IS ALL VOLUNTEER, EXCEPT FOR ONE PERSON THAT IS PAID TO MAINTAIN THE GROUNDS. THE GOVERNING BODY HAVE LONG TERM INTEREST IN AMAGANSETT AND PRESERVING IT'S HISTORY AND SHARING THAT WITH THE COMMUNITY AT LARGE. THERE WAS A LARGE DONATION FROM AN ESTATE OF A DECEASED LOCAL RESIDENT IN 2024 THAT INCREASED THE MORE THAN 2% RATIO.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
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    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc4">
      <SolicitedAssetsSaleInd>false</SolicitedAssetsSaleInd>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>1252782</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>576750</DepreciationAmt>
        <BookValueAmt>676032</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>39556</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>36613</DepreciationAmt>
        <BookValueAmt>2943</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>678975</TotalBookValueLandBuildingsAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc5">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AMAGANSETT HISTORICAL ASSOCIATION IS DEDICATED TO PRESERVING THE CULTURAL HERITAGE OF THE HAMLET OF AMAGANSETT - FOUNDED IN 1680, FOR THE BENEFIT OF THE LOCAL COMMUNITY, SCHOLARS AND STUDENTS, AND THE GENERAL PUBLIC THAT VISITS THE AREA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION RECEIVES A COPY OF THE DRAFT FORM 990, REVIEWS THE INFORMATION CONTAINED THEREIN WITH THE OFFICERS, MAKES ANY NECESSARY CHANGES, AND APPROVES THE FORM 990 FOR SUBMISSION TO THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>INFORMATION ABOUT THE ORGANIZATION IS MADE AVAILABLE TO THE PUBLIC UPON REQUEST. INFORMATION THAT IS AVAILABLE TO THE PUBLIC INCLUDES, BUT IS NOT LIMITED TO, THE GOVERNING DOCUMENTS OF THE ORGANIZATION, FINANCIAL INFORMATION AND TAX RETURNS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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</Return>