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        <FormAndLineReferenceDesc>Part II, Line 9: Organization Reporting of conservation easements.</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION WAS GRANTED CONSERVATION EASEMENT THROUGH THE TOWN OF BETHLEHEM'S EASEMENT PROGRAM IN OCTOBER 2020. THIS EASEMENT WILL KEEP THE ARBORETUM AS GREEN SPACE FOR PERPETUITY. THE EFFECTS OF THIS EASEMENT ON THE VALUEOF THE PROPERTY, IF ANY, HAVE NOT BEEN REFLECTED IN THESE FINANCIAL STATEMENTS AS THEY CANNOT BE RESONABLEY DETERMINED.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part V, Line 4: Intended uses of the endowment fund.</FormAndLineReferenceDesc>
        <ExplanationTxt>PART V, LINE 4:SHORT AND MEDIUM TERM: TO KEEP ALL EARNINGS, GAINS, AND CONTRIBUTIONS WITHIN THE ENDOWMENT TO MAXIMIZE ITS GROWTH. LONG TERM: TO USE EARNINGS FOR OPERATING EXPENSES AND EXPANSION OF EDUCATION PROGRAMS.</ExplanationTxt>
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        <ExplanationTxt>990 is emailed to the board for review prior to filing</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>All trustees are asked annually to explain their potential conflict of interest.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>No documents available to the public.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>DAWN ABBUHL (VICE PRESIDENT) AND STEPHANIE ABBUHL (BOARD MEMBER) HAVE A FAMILY RELATIONSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ARBORETUM HAS MEMBERS AND COLLECTS MEMBERSHIP DUES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PRT VI, SECTION B, LINE 12c:</FormAndLineReferenceDesc>
        <ExplanationTxt>RESPONSES ARE MONITORED BY THE FINANCE COMMITTE AND ENFORCED BY THE EXECUTIVE COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PRT VI, SECTION C, LINE 19:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ARBORETUM WILL PROVIDE ITS GOVERNING DOCUMENTS, CONFILCT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON WRITTEN REQUEST. THE ARBORETUM'S FORM 990 IS AVAILABLE THROUGH THE NYS CHARITIES BUREAU WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART 990, PART VI, SECTION B, LINE 11B:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPLETED FORM 990 AND SCHEDULES ARE SENT TO ALL MEMBERS OF THE GOVERNING BODY PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>