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        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
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      <FootnoteTextInd>X</FootnoteTextInd>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY AND THE FOUNDATION ARE ORGANIZED AS ILLINOIS NONPROFIT CORPORATIONS AND HAVE BEEN RECOGNIZED BY THE INTERNAL REVENUE SERVICE (IRS) AS EXEMPT FROM FEDERAL INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE (IRC). BOTH QUALIFY FOR THE CHARITABLE CONTRIBUTION DEDUCTION UNDER SECTION 170(B)(1)(A) AND HAVE BEEN CLASSIFIED AS AN ORGANIZATION OTHER THAN A PRIVATE FOUNDATION UNDER SECTION 509(A)(2). IN ADDITION, THE ENTITIES ARE SUBJECT TO INCOME TAX ON NET INCOME THAT IS DERIVED FROM BUSINESS ACTIVIES THAT ARE UNRELATED TO THEIR EXEMPT PURPOSES. DURING THE YEARS ENDED DECEMBER 31, 2024 AND 2023, THE SOCIETY AND THE FOUNDATION PAID $5,933 AND $1,991, RESPECTIVELY, IN UNRELATED BUSINESS INCOME TAX.</ExplanationTxt>
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          <AddressLine1Txt>9400 WEST HIGGINS SUITE 220</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
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        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>RESEARCH GRANT APPLICATIONS ARE SOLICITED FROM THE AOFAS MEMBERSHIP FOR GRANTS UP TO $50,000. GRANT APPLICATIONS (WITH RESEARCH BUDGETS) ARE RECEIVED, BLINDED BY STAFF, AND REVIEWED AND SCORED BY THE RESEARCH COMMITTEE. THE COMMITTEE MAKES A RECOMMENDATION TO THE AOFAS BOARD ON THE GRANTS THAT WERE RANKED THE HIGHEST AND WORTHY OF FUNDING. BASED ON THE AMOUNT BUDGETED TO THE AOFAS IN A GRANT FROM OFAF, AOFAS APPROVES FUNDING FOR THE HIGHEST RANKED GRANTS. ACCESS TO RESEARCH GRANT FUNDING IS A MEMBERSHIP BENEFIT, SO EITHER THE PRINCIPAL INVESTIGATOR OR A CO-INVESTIGATOR MUST BE AN AOFAS ACTIVE MEMBER, CANDIDATE MEMBER, OR INTERNATIONAL MEMBER.</ExplanationTxt>
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        <PersonNm>CATHERINE POWERS</PersonNm>
        <TitleTxt>DEVELOPMENT SENIOR MGR</TitleTxt>
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        <ExplanationTxt>THE TOP MANAGEMENT OFFICIAL IS NOT COMPENSATED BY THE REPORTING ORGANIZATION. THE REPORTING ORGANIZATION RELIES ON AMERICAN ORTHOPAEDIC FOOT &amp; ANKLE SOCIETY (AOFAS), A RELATED ORGANIZATION TO ESTABLISH COMPENSATION FOR THE TOP MANAGEMENT OFFICIAL. THE PROCESS OF THE RELATED ORGANIZATION IS THAT THE EXECUTIVE DIRECTOR HAS AN ANNUAL REVIEW BY THE EXECUTIVE COMMITTEE OF THE BOARD. THE EXECUTIVE DIRECTOR'S COMPENSATION IS COMPARED TO DATA ON COMPENSATION OF EXECUTIVE DIRECTORS WITH COMPARABLE POSITIONS AT SIMILAR ORGANIZATIONS. THE EXECUTIVE DIRECTOR HAS A SIGNED LETTER OF AGREEMENT WITH AOFAS THAT DEFINES COMPENSATION FOR SPECIFIED PERIODS OF TIME AND ELIGIBILITY FOR A BONUS. A BONUS IS GIVEN ON THE DECISION OF THE EXECUTIVE COMMITTEE BASED ON THE ANNUAL REVIEW, IS REPORTED TO THE BOARD BY THE PRESIDENT, AND IS DOCUMENTED IN WRITING TO THE EXECUTIVE DIRECTOR BY THE PRESIDENT.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS REVIEWS THE FORM 990 INDIVIDUALLY AND APPROVES FILING AT A BOARD MEETING PRIOR TO ISSUANCE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS QUESTION IS ANSWERED NO BECAUSE IT DOES NOT APPLY. THE EXECUTIVE DIRECTOR IS PAID THROUGH AOFAS, A RELATED ORGANIZATION. THERE ARE NO OTHER OFFICERS OR KEY EMPLOYEES WHO RECEIVE COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL STATEMENTS ARE AVAILABLE ON FILE IN THE OFFICE UPON REQUEST. THE GOVERNING DOCUMENTS ARE NOT MADE AVAILABLE TO THE PUBLIC.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
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          <CityNm>SCHAUMBURG</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
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