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      <TotalExpensesPerForm990Amt>1462595</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>ENDOWMENT FUNDS WERE ESTABLISHED TO SUPPORT LONG TERM PRESERVATION OF THE ARBORETUM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ARBORETUM QUALIFIES AS A TAX EXEMPT ORGANIZATION UNDER INTERNAL REVENUE CODE SECTION 501(C)(3), AND ITS ACTIVITIES ARE NOT SUBJECT TO INCOME TAX. GENERALLY ACCEPTED ACCOUNTING PRINCIPLES PRESCRIBE RULES FOR THE RECOGNITION, MEASUREMENT, CLASSIFICATION, AND DISCLOSURE IN THE FINANCIAL STATEMENTS OF UNCERTAIN TAX POSITIONS TAKEN OR EXPECTED TO BE TAKEN IN THE ARBORETUM'S TAX RETURNS. MANAGEMENT HAS DETERMINED THAT THE ARBORETUM DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS OR ASSOCIATED UNRECOGNIZED BENEFITS THAT MATERIALLY IMPACT THE FINANCIAL STATEMENTS OR RELATED DISCLOSURES. SINCE TAX MATTERS ARE SUBJECT TO SOME DEGREE OF UNCERTAINTY, THERE CAN BE NO ASSURANCE THAT THE ARBORETUM'S TAX RETURNS WILL NOT BE CHALLENGED BY THE TAXING AUTHORITIES AND THAT THE ARBORETUM WILL NOT BE SUBJECT TO ADDITIONAL TAX, PENALTIES, AND INTEREST AS A RESULT OF SUCH CHALLENGE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>SALES REPORTED ON 990 NET OF EXPENSE 82,943.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>SALES REPORTED ON 990 NET OF EXPENSE 82,943.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>SPRING BLOOM</Event1Nm>
        <GrossReceiptsEvent1Amt>64254</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>32835</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>31419</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>31419</OtherDirectExpensesEvent1Amt>
        <Event2Nm>ART EXHIBITIONS</Event2Nm>
        <GrossReceiptsEvent2Amt>23485</GrossReceiptsEvent2Amt>
        <CharitableContriEvent2Amt>5222</CharitableContriEvent2Amt>
        <GrossRevenueEvent2Amt>18263</GrossRevenueEvent2Amt>
        <OtherDirectExpensesEvent2Amt>18263</OtherDirectExpensesEvent2Amt>
        <OtherEventsTotalCnt>1</OtherEventsTotalCnt>
        <GrossReceiptsOtherEventsAmt>14479</GrossReceiptsOtherEventsAmt>
        <GrossRevenueOtherEventsAmt>14479</GrossRevenueOtherEventsAmt>
        <OthDirectExpnssOtherEventsAmt>1642</OthDirectExpnssOtherEventsAmt>
        <GrossReceiptsTotalAmt>102218</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>38057</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>64161</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>51324</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>51324</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>12837</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR, AND THE AUDIT COMMITTEE (A SUBCOMMITTEE OF THE FINANCE COMMITTEE FOR THE BOARD OF DIRECTORS) AND THE TREASURER REVIEW THE 990. FORM IS PRESENTED TO THE PRESIDENT AND THE ENTIRE GOVERNING BOARD MEMBERS PRIOR TO THE NEXT REGULAR MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>JENKINS ARBORETUM HAS A CONFLICT OF INTEREST POLICY THAT REQUIRES OFFICERS AND THE GOVERNING BODY TO DISCLOSE CONFLICTS OF INTEREST ANNUALLY. THE ORGANIZATION CONSISTENTLY MONITORS AND ENFORCES COMPLIANCE WITH THIS POLICY. POTENTIAL CONFLICTS OF INTEREST ARE CONSIDERED AT BOARD MEETINGS. INTERESTED BOARD MEMBERS ARE EXCUSED FROM DISCUSSIONS OF, AND VOTING ON, SUCH MATTERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S EXECUTIVE COMMITTEE REVIEWS AND APPROVES COMPENSATION ANNUALLY. THIS PROCESS INCLUDES THE USE OF COMPARABILITY DATA FROM THE AMERICAN PUBLIC GARDENS ASSOCIATION (APGA) SALARY SURVEY. APGA PUBLISHES A SALARY SURVEY FOR COMPARABILITY DATA FOR ALL LEVELS OF STAFFING. EXECUTIVE COMMITTEE DECISIONS ARE DOCUMENTED AND RETAINED IN THE APPROPRIATE PERSONNEL FILES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S FORM 990 AND FORM 1023 ARE AVAILABLE UPON REQUEST. ADDITIONALLY, FORM 990 IS AVAILABLE ON GUIDESTAR.ORG.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S PROCESS GOVERNING OVERSIGHT OF THE AUDIT AND SELECTION OF AN INDEPENDENT AUDITOR, MANAGED BY THE FINANCE COMMITTEE, HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
