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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>AT THE INTERNATIONAL SONORAN DESERT ALLIANCE, WE DESIGN AND IMPLEMENT ENVIRONMENTAL, CULTURAL, REAL ESTATE AND BUSINESS DEVELOPMENT PROJECTS INTENDED TO PRESERVE AND ENRICH THE ENVIRONMENT, CULTURE AND ECONOMY OF THE SONORAN DESERT. WE ARE COMMITTED TO FOSTERING COMMUNICATION, UNDERSTANDING AND COOPERATION AMONG THE DIVERSE CULTURES RESIDING IN THE AREA.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INTERNATIONAL SONORAN DESERT ALLIANCE (ISDA) WORKS TO IMPROVE SONORAN DESERT COMMUNITIES THROUGH HOUSING AND COMMUNITY ECONOMIC DEVELOPMENT PROJECTS. ISDA IS A LEADER IN RURAL "CREATIVE PLACEMAKING" WITH A SERIES OF SUCCESSFUL HISTORIC RENOVATION AND RE-PURPOSING PROJECTS IN AJO, AZ. ISDA RESTORED AND CONVERTED THE HISTORIC CURLEY SCHOOL IN INTO 30 AFFORDABLE LIVE/WORK APARTMENTS FOR ARTISTS, ARTISANS, AND CREATIVE HOME ENTREPRENEURS. ISDA RENOVATED OTHER HISTORIC BUILDING ON THE CURLEY CREATIVE CAMPUS INTO AN INTERNATIONAL RETREAT CENTER, A COMMUNITY KITCHEN, A CLAY STUDIO, AND WOOD SHOP. ISDA IS UNDERTAKING A MULTI-YEAR RENOVATION OF THE HISTORIC TOWN PLAZA, BRINGING BACK THE ARCHITECTURAL SIGNIFICANT STRUCTURES AT THE HEART OF THE AJO COMMUNITY BACK INTO PRODUCTIVE USE. CREATIVE PLACEMAKING EFFORTS BY THE ORGANIZATION CONSTITUTE APPROXIMATELY 50% OF THE ANNUAL REVENUE AND EXPENSES FOR THE ORGANIZATION.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>ANY PERSON WHO MAKES A FINANCIAL DONATION OR WHO CONTRIBUTES VOLUNTEER TIME TO ISDA SHALL BE DEEMED A MEMBER, UNLESS THEY INDICATE THAT THEY PREFER NOT TO BE A MEMBER.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS ARE ABLE TO VOTE ON MEMBERS OF THE BOARD OF DIRECTORS AT THE ANNUAL MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>YES, THE BOARD OF DIRECTORS RECEIVE A DRAFT COPY OF THE 990 VIA EMAIL PRIOR TO FILING. HARD COPIES OF THE DRAFT 990 ARE ISSUED TO BOARD MEMBERS ON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANY CONFLICTS OF INTEREST ARE DISCUSSED AT THE QUARTERLY BOARD MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD DETERMINES EXECUTIVE DIRECTOR SALARY BY REVIEWING INDUSTRY STANDARD COMPENSATION AND LOCAL AREA COMPENSATION COMPARABLES</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>N/A</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990'S ARE MADE AVAILABLE TO THE PUBLIC UPON REQUEST AS WELL AS ON THE GUIDESTAR WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>DOCUMENTS ARE MADE AVAILABLE TO THE PUBLIC AS REQUIRED BY LAW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>DIFFERENCE IN BEGINNING NET ASSETS -221,175</ExplanationTxt>
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      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SONORAN DESERT CONFERENCE CENTER</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>D</TransactionTypeTxt>
        <InvolvedAmt>58152</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>BALANCE OWED</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>