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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ACCOKEEK FOUNDATION MAINTAINS AN 18TH CENTURY HERITAGE FARM EXHIBIT INCLUDING A HISTORIC TOBACCO BARN, FARMHOUSE, RARE COLLECTION OF HERITAGE BREEDS OF LIVESTOCK, HEIRLOOM AND NATIVE PLANT VARIETIES, AND A RESEARCH LIBRARY FOR THE PURPOSES OF PUBLIC EDUCATION, SCIENTIFIC RESEARCH, AND THE PRESERVATION FOR FUTURE GENERATIONS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOUNDATION HAS ADOPTED INVESTMENT AND SPENDING POLICIES, APPROVED BY THE BOARD OF TRUSTEES, FOR ENDOWMENT ASSETS THAT ATTEMPT TO PROVIDE A PREDICTABLE STREAM OF FUNDING TO PROGRAMS SUPPORTED BY ITS ENDOWMENT FUNDS WHILE ALSO MAINTAINING THE PURCHASING POWER OF THOSE ENDOWMENT ASSETS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOUNDATION IS EXEMPT FROM FEDERAL AND LOCAL INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE ON INCOME DERIVED FROM ACTIVITIES RELATED TO ITS EXEMPT PURPOSE. THE FOUNDATION IS NOT CLASSIFIED AS A PRIVATE FOUNDATION. THE FOUNDATION IS NOT AWARE OF ANY ACTIVITIES THAT WOULD JEOPARDIZE THEIR TAX-EXEMPT STATUS THAT WOULD REQUIRE RECOGNITION IN THE ACCOMPANYING FINANCIAL STATEMENTS. GENERALLY, TAX RETURNS ARE SUBJECT TO EXAMINATION BY TAXING AUTHORITIES FOR UP TO THREE YEARS FROM THE DATE A COMPLETED RETURN IS FILED. IF MATERIAL OMISSIONS OF INCOME EXIST, TAX RETURNS MAY BE SUBJECT TO EXAMINATION FOR UP TO SIX YEARS. IT IS THE FOUNDATION'S POLICY TO DISCLOSE INTEREST AND/OR PENALTIES RELATED TO UNCERTAIN TAX POSITIONS, IF ANY, IN THE ACCOMPANYING FINANCIAL STATEMENTS. AS OF SEPTEMBER 30, 2023 THE FOUNDATION HAD NO UNCERTAIN TAX POSITIONS WHICH SHOULD BE DISCLOSED. THE FOUNDATION IS NO LONGER SUBJECT TO U.S. FEDERAL OR STATE EXAMINATIONS BY TAX AUTHORITIES FOR TAX YEARS PRIOR TO 2020.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 WAS PROVIDED TO BOARD OF TRUSTEES IN ADVANCE OF A REGULARLY SCHEDULED MEETING . THE BOARD WAS PROVIDED WITH THE OPPORTUNITY TO ASK QUESTIONS AND REVIEW THE FORM AND TO PROVIDE CORRECTIONS AS APPROPRIATE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ACCOKEEK FOUNDATION ANNUALLY DISCUSSES THE CONFLICT OF INTEREST POLICY AND ALL BOARD MEMBERS AND EMPLOYEES COMPLETE AN AFFIRMATION OF COMPLIANCE AND DISCLOSURE FORM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ACCOKEEK FOUNDATION USES COMPARABILITY DATA FOR DETERMINING SALARIES, AND THE INDEPENDENT MEMBERS OF THE BOARD OF TRUSTEES GO INTO EXECUTIVE SESSION TO DISCUSS THE PERFORMANCE OF UPPER LEVEL EMPLOYEES, AND TO SET SALARY LEVELS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS AVAILABLE ON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ACCOKEEK FOUNDATION PROVIDES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS TO ANY MEMBER OF THE PUBLIC UPON REQUEST, AND PROVIDE FINANCIAL INFORMATION ON ITS WEBSITE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S PROCESSES FOR SELECTING AN INDEPENDENT ACCOUNT AND FOR OVERSIGHT OF THE AUDIT OF THE FINANCIAL STATEMENTS HAVE NOT CHANGED DURING THE TAX YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
