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      <OtherExpensesIncludedAmt>8722</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>8722</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>939954</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>53575</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>53575</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>993529</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSERVATION EASEMENTS ACCEPTED OR PURCHASED BY MADISON AUDUBON ARE NOT RECOGNIZED AS ASSETS OR REVENUE IN THE ACCOMPANYING FINANCIAL STATEMENTS BECAUSE MADISON AUDUBON DOES NOT HOLD FEE TITLE TO THESE PROPERTIES AND THERE ARE NO EXPECTED FUTURE ECONOMIC BENEFITS ASSOCIATED WITH THE EASEMENTS. IN ADDITION, CONSERVATION EASEMENTS CARRY SIGNIFICANT OBLIGATIONS TO MONITOR AND DEFEND THEIR TERMS. IF PURCHASED, THE COSTS OF CONSERVATION EASEMENTS ARE EXPENSED WHEN THE EASEMENTS ARE ACQUIRED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>MADISON AUDUBON'S ENDOWMENT CONSISTS OF THREE FUNDS. THE MARY MUCKENHIRN STEWARDSHIP ENDOWMENT WAS ESTABLISHED BY THE BOARD OF DIRECTORS TO SUPPORT SANCTUARY MAINTENANCE. THE SANCTUARIES FUND WAS ESTABLISHED BY THE BOARD OF DIRECTORS TO PROVIDE FOR COMPENSATION INCREASES AND TO SUPPORT LAND MANAGEMENT. THE JILL MARTEN ENDOWMENT FUND IS A DONOR-RESTRICTED ENDOWMENT FUND ESTABLISHED TO SUPPORT LAND MANAGEMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN BENEFICIAL INTEREST IN ASSETS HELD BY NATURAL RESOURCES FOUNDATION -6,299. INVESTMENT FEES -53,575.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECT EXPENSES REPORTED ON FORM 990, PART VIII, LINE 8B -2,912. COST OF GOODS SOLD REPORTED ON FORM 990, PART VIII, LINE 10B -5,810.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD REPORTED ON FORM 990, PART VIII, LINE 10B 5,810. DIRECT EXPENSES REPORTED ON LINE 8B 2,912.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <QualifiedContribOtherGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>130000</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FAIR MARKET VALUE</MethodOfDeterminingRevenuesTxt>
      </QualifiedContribOtherGrp>
      <Form8283ReceivedCnt>1</Form8283ReceivedCnt>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, COLUMN (B):</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION IS REPORTING THE NUMBER OF CONTRIBUTIONS RECEIVED IN COLUMN B.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 32B:</FormAndLineReferenceDesc>
        <ExplanationTxt>MADISON AUDUBON SOCIETY SEEKS TO ASSURE THAT ALL GIFTS, GRANTS AND IN-KIND AND NON-MONETARY CONTRIBUTIONS FURTHER THE ORGANIZATION'S MISSION, GOALS, OBJECTIVES AND PRIORITIES WITHOUT IMPOSING UNDUE COSTS ON THE ORGANIZATION. THE BOARD OF DIRECTORS WILL REVIEW FOR ACCEPTANCE ANY CONTRIBUTION THAT IS INTENDED TO SUPPORT AN ACTIVITY NOT PREVIOUSLY AUTHORIZED BY THE BOARD; THE BOARD WILL REVIEW (WITH THE ADVICE OF THE FINANCE COMMITTEE) ALL NON-MONETARY CONTRIBUTIONS THAT MAY IMPOSE UNDUE LIABILITIES ASSOCIATED WITH DISPOSITION, IMPROVEMENT OR MAINTENANCE OF DONATED ITEMS; AND THE BOARD WILL REVIEW ALL GIFTS THAT HAVE THE POTENTIAL TO INFLUENCE ORGANIZATIONAL POLICIES OR TO NEGATIVELY AFFECT THE REPUTATION OF THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OF THE NATIONAL AUDUBON SOCIETY WHO LIVE IN THE MADSION AUDUBON SOCIETY'S CHAPTER SERVICE AREA ARE CONSIDERED MEMBERS OF THE MADSION AUDUBON SOCIETY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S MEMBERSHIP ELECTS THREE MEMBERS OF THE SOCIETY'S GOVERNING BODY EACH YEAR. THE BYLAWS PROVIDE FOR A MAXIMUM OF FIFTEEN MEMBERS. MEMBERS OF THE GOVERNING BODY SERVE A THREE-YEAR TERM. THE SOCIETY'S OFFICERS ARE ELECTED ANNUALLY BY THE MEMBERS OF THE GOVERNING BODY FROM AMONG THE MEMBERS OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BYLAWS MAY BE AMENDED BY VOTE OF THE CHAPTER MEMBERSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PREPARED FORM 990 IS REVIEWED AND APPROVED BY THE SOCIETY'S PRESIDENT, TREASURER, AND EXECUTIVE COMMITTEE BEFORE THE RETURN IS FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY ALL DIRECTORS AND OFFICERS COMPLETE AND SIGN A STATEMENT THAT DISCLOSES INTERESTS THAT COULD GIVE RISE TO CONFLICTS. THE SIGNED STATEMENTS ARE KEPT AT THE SOCIETY'S MAIN OFFICE. THE DIRECTORS MAKE DETERMINATIONS OF WHETHER A CONFLICT EXISTS AND REVIEW ACTUAL CONFLICTS. ANY PERSON WITH A CONFLICT IS PROHIBITED FROM PARTICIPATING IN THE GOVERNING BODY'S DELIBERATIONS AND DECISIONS IN THE TRANSACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION FOR THE EXECUTIVE DIRECTOR IS REVIEWED EACH YEAR AS PART OF THE ANNUAL BUDGETING PROCESS. IN DETERMINING CHANGES TO COMPENSATION, THE MADISON AUDUBON EXECUTIVE COMMITTEE EVALUATES THE ED'S PERFORMANCE AND ORGANIZATIONAL ACCOMPLISHMENTS, SETS ANNUAL GOALS, AND REVIEWS DATA ON SALARY AND BENEFITS PROVIDED TO EXECUTIVE STAFF AT SIMILARLY SIZED NONPROFIT ORGANIZATIONS. THIS DISCUSSION IS DOCUMENTED IN MINUTES OF THE BOARD OF DIRECTORS AND DOCUMENTATION RETAINED FROM MATERIALS DISTRIBUTED SUPPORTING THAT DISCUSSION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN BENEFICIAL INTEREST IN ASSETS HELD BY NATURAL RESOURCES FOUNDATION -6,299.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
