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        <ExplanationTxt>THE SOCIETY HAS DETERMINED IT IS NOT REQUIRED TO DISCLOSE ANY UNCERTAIN TAX POSITIONS AS OF DECEMBER 31, 2024.</ExplanationTxt>
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        <EmployeeCnt>1</EmployeeCnt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>ISV'S MEMBERSHIP CONSISTS OF ORDINARY, STUDENT AND HONORARY MEMBERS.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>ISV'S BOARD OF DIRECTORS IS ELECTED ON A BIENNIAL BASIS AND COMPRISED OF 15 MEMBERS, 10 OF WHOM ARE ORDINARY, NON-FELLOW MEMBERS AND 5 OF WHOM ARE FELLOW MEMBERS. ISV'S PRESIDENT AND BOARD CHAIR ALSO HAS THE AUTHORITY TO APPOINT ONE OR MORE BOARD MEMBERS AS VICE CHAIR(S) TO ASSIST WITH THE MANAGING OF BOARD ACTIVITIES, IN ORDER TO ENSURE CONTINUITY IN THE ORGANIZATION AND STIMULATE OTHER BOARD MEMBERS TO TAKE ON LEADERSHIP ROLES WITHIN ISV.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>CHANGES TO THE SOCIETY'S CONSTITUTION REQUIRE A TWO-THIRDS VOTE OF THE SOCIETY'S MEMBERS AT A GENERAL MEETING OF THE SOCIETY.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>ISV'S 990 IS PREPARED BY INDEPENDENT ACCOUNTANT'S AND REVIEWED BY THE SOCIETY'S TREASURER PRIOR TO FILING.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>ISV'S GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST. ISV'S CONSTITUTION IS ALSO AVAILABLE ON ITS WEBSITE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S BOARD OF DIRECTORS IS RESPONSIBLE FOR THE OVERSIGHT OF THE REVIEW AND SELECTION OF AN INDEPENDENT ACCOUNTANT.</ExplanationTxt>
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</Return>