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        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 2, PART V, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TEMPORARILY RESTRICTED PORTION OF THE ENDOWMENT FUNDS ARE INTENDED TO PAY FOR EXPENSES RELATED TO PARTICIPATION IN AND AWARDS FOR THE SAMSON PRIZE COMPETITION, AS WELL AS TO OFFSET EXPENSES RELATED TO EDUCATIONAL/SCIENTIFIC OFFERINGS AT ITS ANNUAL MEETING SUCH AS FUTURE POSTGRADUATE SYMPOSIA THAT PERTAIN TO THE CARE OF PATIENTS WITH DISEASES THAT ARE TREATED BY CARDIOTHORACIC SURGEONS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 3, PART X</FormAndLineReferenceDesc>
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        <ExplanationTxt>THE PROFESSIONAL RELATIONS AND RESEARCH INSTITUTE (PRRI) OF BEVERLY, MASSACHUSETTS, MAINTAINS THE BOOKS AND RECORDS OF THE ASSOCIATION AND PERFORMS OTHER RELATED MANAGERIAL AND ADMINISTRATIVE FUNCTIONS FOR WHICH IT IS COMPENSATED.</ExplanationTxt>
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        <ExplanationTxt>THE 990 IS REVIEWED BY THE ADMINISTRATIVE STAFF OF THE MANAGEMENT COMPANY (PRRI) AND IS THEN PROVIDED TO THE TREASURER FOR FINAL REVIEW BEFORE IT IS FILED.</ExplanationTxt>
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        <ExplanationTxt>GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST AT THE ADMINISTRATIVE OFFICES OF THE ORGANIZATION'S MANAGEMENT COMPANY (PRRI).</ExplanationTxt>
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</Return>