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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>YES, SOME DECISIONS OF THE GOVERNING BODY ARE SUBJECT TO APPROVAL BY MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE 990 AND RELATED SCHEDULES ARE REVIEWED BY IAATO'S EXECUTIVE AND FINANCE COMMITTEES FOR APPROVAL BEFORE IT IS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>IAATO HAS WRITTEN ANTITRUST AND CONFLICT OF INTEREST POLICIES IN PLACE. PRIOR TO EACH IAATO MEETING, ANTITRUST ADMONITION IS ISSUED. COMMITTEE TERMS OF REFERENCE, RECUSALS AND THE COMPLIANCE AND DISPUTE RESOLUTION PROCESS IS ALSO EXPLAINED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR IS REVIEWED ANNUALLY BY IAATO'S EXECUTIVE COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>IAATO'S BYLAWS ARE AVAILABLE ON WWW.IAATO.ORG FOR REVIEW BY THE GENERAL PUBLIC.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 24E</FormAndLineReferenceDesc>
        <ExplanationTxt>ENHANCED OBSERVER SCHEME 45,049. FOM 31,503. SOFTWARE AND SUBSCRIPTIONS 30,928. TRANSLATIONS 30,534. ONLINE ASSESSMENT 30,365. PUBLIC RELATIONS 21,195. NEW EQUIPMENT 19,551. TELECOMS 19,201. FOM SYNC APP 13,720. SOCIAL MEDIA 13,000. PVR IMPLEMENTATION 9,500. MEMBERSHIP RELATION 7,299. ANTARCTIC AMBASSADORS 5,259. MARINE COMMITTEE 4,069. BANK SERVICE CHARGES AND CREDIT CARD PROCESSING FEES 2,368. TAXES 119.</ExplanationTxt>
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