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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>TO CREATE AND SUPPORT AN ANNUAL AWARD TO BE PRESENTED AT THE SAMBA ANNUAL MEETING TO BE KNOWN AS THE "DR. REBECCA S. TWERSKY RESEARCH AWARD."</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS THREE CATEGORIES OF MEMBERSHIP. CATEGORY 1 INCLUDES ACTIVE, ASSOCIATE AND EMERITUS MEMBERS. CATEGORY 2 INCLUDES AFFILIATE, TRAINEE, MEDICAL STUDENT AND INTERNATIONAL MEMBERS. CATEGORY 3 INCLUDES RETIRED AND HONORARY MEMBERS. ONLY CATEGORY 1 MEMBERS OF THE SOCIETY ARE ELIGIBLE TO VOTE AND HOLD OFFICE. THEY MAY ALSO SERVE ON COMMITTEES. CATEGORY 2 MEMBERS OF THE SOCIETY ARE ONLY ELIGIBLE TO SERVE ON COMMITTEES. CATEGORY 3 MEMBERS DO NOT HAVE THE RIGHT TO VOTE, HOLD OFFICE OR SERVE ON COMMITTEES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S BOARD OF DIRECTORS IS PROPOSED BY THE NOMINATING COMMITTEE AND APPROVED BY A MAJORITY OF VOTES OF THE ACTIVE MEMBERSHIP ATTENDING THE SOCIETY'S ANNUAL MEETING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>AMENDMENTS TO THE SOCIETY'S BYLAWS REQUIRE THE APPROVAL OF TWO-THIRDS OF THE ACTIVE MEMBERSHIP PRESENT AND VOTING AT THE ANNUAL MEETING TO BECOME EFFECTIVE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS PREPARED BY INDEPENDENT PUBLIC ACCOUNTANTS AND SUBMITTED TO THE SOCIETY'S MANAGEMENT COMPANY FOR INITIAL REVIEW. THE FORM IS THEN SUBMITTED TO THE BOARD OF DIRECTORS FOR REVIEW AND DISCUSSION PRIOR TO FILING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ON AN ANNUAL BASIS, THE SOCIETY'S BOARD MEMBERS AND OFFICERS ARE REQUIRED TO DISCLOSE WHETHER OR NOT THEY HAVE ANY POTENTIAL CONFLICTS OF INTEREST AND, IF SO, ARE REQUIRED TO DESCRIBE THEM. BOARD MEMBERS ARE REQUIRED TO ABSTAIN FROM VOTING ON ANY ISSUES WHERE THEY HAVE A POTENTIAL CONFLICT.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S GOVERNING DOCUMENTS, POLICIES, AND FINANCIAL STATEMENTS ARE AVAILABLE FOR PUBLIC INSPECTION UPON REQUEST.</ExplanationTxt>
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</Return>
