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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ARBORETUM ACCOUNTED FOR THE PROCEEDS AS REVENUE IN THE YEAR THE EASEMENT WAS RECEIVED.</ExplanationTxt>
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      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
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      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
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      <InitialContractExceptionInd>0</InitialContractExceptionInd>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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    <IRS990ScheduleL documentId="RetDoc1042800001">
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        </BusinessName>
        <RelationshipWithOrgTxt>EXECUTIVE DIRECTOR</RelationshipWithOrgTxt>
        <LoanPurposeTxt>MORTGAGE ON RESIDENCE</LoanPurposeTxt>
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        <ExplanationTxt>THE 990 IS REVIEWED AND APPROVED BY MANAGEMENT, REVIEWED AND APPROVED BY THE FINANCE COMMITTEE, AND THEN REVIEWED BY THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ARBORETUM REQUIRED ALL BOARD MEMBERS TO FILL OUT FORMS ANNUALLY DISCLOSING ANY CONFLICTS OF INTEREST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION COMMITTEE, MADE UP OF MEMBERS OF THE BOARD, DETERMINES KEY EMPLOYEES' SALARIES BY AN INDUSTRY SALARY REVIEW FROM GUIDESTAR AND REVIEW OF FORMS 990 OF OTHER ORGANIZATIONS. THE COMMITTEE MEETS AND REVIEWS THE EXECUTIVE DIRECTOR'S PERFORMANCE AND DETERMINES APPROPRIATE SALARY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ARBORETUM WILL MAKE GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON WRITTEN REQUEST OF ANY INTERESTED PARTY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>