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      <FootnoteTextInd>X</FootnoteTextInd>
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      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>3994855</ExpensesSubtotalAmt>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL STATEMENT FOOTNOTE REGARDING FIN 48 (ASC 740) THE SOCIETY EVALUATES UNCERTAINTY IN INCOME TAX POSITIONS BASED ON A MORE-LIKELY-THAN-NOT RECOGNITION STANDARD. IF THAT THRESHOLD IS MET, THE TAX POSITION IS THEN MEASURED AT THE LARGEST AMOUNT THAT IS GREATER THAN 50% LIKELY OF BEING REALIZED UPON ULTIMATE SETTLEMENT AND IS RECOGNIZED IN THE SOCIETY'S FINANCIAL STATEMENTS. AS OF DECEMBER 31, 2016 AND 2015, THERE ARE NO ACCRUALS FOR UNCERTAIN TAX POSITIONS. IF APPLICABLE, THE SOCIETY RECORDS INTEREST AND PENALTIES AS A COMPONENT OF INCOME TAX EXPENSE. TAX YEARS FROM JANUARY 1, 2013 THROUGH THE CURRENT YEAR REMAIN OPEN FOR EXAMINATION BY FEDERAL AND STATE TAX AUTHORITIES.</ExplanationTxt>
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        <PersonNm>KATHLEEN FLOOD</PersonNm>
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        <TotalCompensationFilingOrgAmt>357685</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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        <PersonNm>KEITH DILLON</PersonNm>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OR STOCKHOLDERS MEMBERS ARE APPROVED THROUGH A PROCESS OF SUBMITTING APPLICATIONS AND APPROVAL BY THE SOCIETY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ELECTIONS DURING AN ANNUAL BUSINESS MEETING, OFFICERS OF THE SOCIETY ARE ELECTED BY THE MEMBERS OF THE SOCIETY. NOMINATIONS OF OFFICERS ARE SUBMITTED TO THE MEMBERSHIP BY A NOMINATING COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>REVIEW PROCESS OF 990 WORKPAPERS TO SUPPORT THE FORM 990 ARE PREPARED BY THE ACCOUNTING STAFF OF THE SOCIETY. THE INFORMATION IS FORWARDED TO THE AUDITORS FOR PREPARATION. ANY AREAS OF CONCERN ARE BROUGHT TO THE ATTENTION OF THE SOCIETY OFFICERS (EXECUTIVE COUNCIL) FOR REVIEW. THE FINAL FORM 990 IS REVIEWED BY ACCOUNTING STAFF OF THE SOCIETY, AND SIGNED BY THE CEO PRIOR TO FILING. IT IS AVAILABLE, UPON REQUEST, TO ANY MEMBER OF THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>CONFLICT OF INTEREST ENFORCEMENT A KEY ELEMENT IN MONITORING RELEVANT CONFLICTS OF INTEREST IS A SYSTEM OF ANNUAL DISCLOSURE. THE SOCIETY REQUIRES DISCLOSURE FROM BOARD MEMBERS, EXECUTIVE COUNCIL AND COMMITTEE MEMBERS, MEETING SPEAKERS AND PLANNERS. DISCLOSURE FORMS ARE REVIEWED BY EXECUTIVE COUNCIL OR COMMITTEES, AND DECISIONS REGARDING CONFLICTS OF INTEREST ARE MADE BY COMMITTEE OR EXECUTIVE COUNCIL. FAILURE TO FILE DISCLOSURE CAN DISQUALIFY A PERSON FROM PARTICIPATING IN AN ACTIVITY, EITHER AS A PLANNER OR A SPEAKER, OR PARTICIPATION ON A COMMITTEE OR BOARD. EDUCATION ACTIVITIES INCLUDE A SURVEY EVALUATING POSSIBLE BIAS, WHICH ARE REVIEWED AND ACTED ON.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCESS FOR DETERMING COMPENSATION THE OFFICERS OF THE SOCIETY (EXECUTIVE COUNCIL) REVIEW OUTSIDE INDEPENDENT COMPENSATION INFORMATION AS A PART OF THE CONTRACT REVIEW FOR THE CEO'S COMPENSATION. INFORMATION REVIEW INCLUDES COMPENSATION FOR OTHER EXECUTIVE DIRECTORS IN COMPARABLY SIZED MEDICAL SOCIETIES. THIS INFORMATION IS OBTAINED FROM A REVIEW OF THE FORM 990 OF THOSE SOCIETIES. IN ADDITION, SALARY SURVEYS ARE REVIEWED FROM PROFESSIONAL ORGANIZATIONS THAT REPRESENT THE NON-PROFIT ASSOCIATION FIELD. ANNUALLY, THE CEO REVIEWS SALARY SURVEYS FROM OTHER PROFESSIONAL ORGANIZATIONS IN THE WASHINGTON, DC AREA TO DETERMINE IF OTHER KEY EMPLOYEES ARE FAIRLY COMPENSATED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>PUBLIC DISCLOSURES ARTICLES OF INCORPORATION, BYLAWS AND IRS DETERMINATION DOCUMENTS ARE MADE AVAILABLE ON THE WEBSITE OF THE SOCIETY. FINANCIAL STATEMENTS ARE PROVIDED UPON REQUEST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONTRACT SERVICES: PROGRAM SERVICE EXPENSES 614,361. MANAGEMENT AND GENERAL EXPENSES 76,310. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 690,671.</ExplanationTxt>
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          <CityNm>BETHESDA</CityNm>
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          <ZIPCd>20814</ZIPCd>
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        <PublicCharityStatusTxt>LINE 11</PublicCharityStatusTxt>
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      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
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      <AssetExchangeInd>0</AssetExchangeInd>
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      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
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