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      <TotalContributionsAmt>645271</TotalContributionsAmt>
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        <BusinessCd>611710</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>959585</RelatedOrExemptFuncIncomeAmt>
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      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>813910</BusinessCd>
        <TotalRevenueColumnAmt>567295</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>567295</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>ADVERTISING</Desc>
        <BusinessCd>813910</BusinessCd>
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        <UnrelatedBusinessRevenueAmt>56000</UnrelatedBusinessRevenueAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>OTHER REVENUE</Desc>
        <BusinessCd>813910</BusinessCd>
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        <ManagementAndGeneralAmt>13785</ManagementAndGeneralAmt>
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        <Desc>CREDIT CARD AND BANK FE</Desc>
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        <Desc>BOARD OF DIRECTORS</Desc>
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        <Desc>PRESIDENTIAL EXPENSES</Desc>
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        <ManagementAndGeneralAmt>34528</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>PRESIDENT'S DINNER</Desc>
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        <ManagementAndGeneralAmt>32748</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>32600</ProgramServicesAmt>
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        <EOYAmt>182969</EOYAmt>
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        <EOYAmt>2432131</EOYAmt>
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        <BOYAmt>17048318</BOYAmt>
        <EOYAmt>14466270</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>15859912</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>445533</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-3027581</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
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      <GiftsGrantsContrisRcvd509Grp>
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        <CurrentTaxYearMinus3YearsAmt>809236</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2130518</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1211779</CurrentTaxYearMinus1YearAmt>
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        <CurrentTaxYearMinus1YearAmt>1043558</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2211587</CurrentTaxYearAmt>
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      <Total509Grp>
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        <CurrentTaxYearMinus3YearsAmt>3146889</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2756558</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2255337</CurrentTaxYearMinus1YearAmt>
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        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
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        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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        <ContributionsAmt>7082</ContributionsAmt>
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        <EndYearBalanceAmt>2627082</EndYearBalanceAmt>
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      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
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      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>3743339</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S ENDOWMENT FUNDS ARE TO BE HELD IN PERPETUITY AND INVESTMENT INCOME IS TO BE UTILIZED FOR THE SOCIETY'S MISSION.</ExplanationTxt>
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        <SpecificServicesProvidedTxt>RESEARCH GRANTS</SpecificServicesProvidedTxt>
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        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
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      <GrantsToOrgOutsideUSGrp>
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        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>GRANTEES MUST SUBMIT A FINAL REPORT BY SEPTEMBER 1 (FOLLOWING THE END OF THE GRANT YEAR), USING A STANDARD REPORT FORM, WHICH WILL BE PROVIDED AT THE TIME THE GRANT IS AWARDED. A WRITTEN NOTATION SHOULD BE MADE TO THE CHAIR OF THE POSNA RESEARCH COMMITTEE, IF THERE HAVE BEEN ANY PROBLEMS OR DELAYS WITH MEETING THE STATED OBJECTIVES OF THE GRANT IN THE ORIGINALLY PROPOSED TIME FRAME. IT IS EXTREMELY IMPORTANT THAT THE INVESTIGATOR REPORT THESE ACCOMPLISHMENTS. FAILURE TO SUBMIT A REPORT WILL RESULT IN INELIGIBILITY TO APPLY FOR FUTURE POSNA GRANTS OR AWARDS EITHER AS A PRINCIPAL INVESTIGATOR OR AS A CO-PI.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III ACCOUNTING METHOD:</FormAndLineReferenceDesc>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>BOSTON CHILDREN'S HOSPITAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>300 LONGWOOD AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02115</ZIPCd>
        </USAddress>
        <RecipientEIN>042774441</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>49437</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>GILLETTE CHILDREN'S SPECIALTY HEALTHCARE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>200 E UNIVERSITY AVENUE</AddressLine1Txt>
          <CityNm>ST PAUL</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55101</ZIPCd>
        </USAddress>
        <RecipientEIN>363379150</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>58605</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>TEXAS SCOTTISH RITE HOSPITAL FOR CHILDREN</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>2222 WELBORN ST</AddressLine1Txt>
          <CityNm>DALLAS</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>75219</ZIPCd>
        </USAddress>
        <RecipientEIN>750818178</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>59840</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE CHILDREN'S CORPORATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 414413</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02241</ZIPCd>
        </USAddress>
        <RecipientEIN>042774441</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>VANDERBILT UNIVERSITY MEDICAL CENTER</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1161 21ST AVENUE S SUITE D3300 MCN</AddressLine1Txt>
          <CityNm>NASHVILLE</CityNm>
          <StateAbbreviationCd>TN</StateAbbreviationCd>
          <ZIPCd>37232</ZIPCd>
        </USAddress>
        <RecipientEIN>352528741</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>30000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>LAC HARBOR - UCLA MEDICAL CENTER</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1000 WEST CARSON STREET</AddressLine1Txt>
          <CityNm>TORRANCE</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>90509</ZIPCd>
        </USAddress>
        <RecipientEIN>956000927</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>SEATTLE CHILDREN'S HOSPITAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 24728</AddressLine1Txt>
          <CityNm>SEATTLE</CityNm>
          <StateAbbreviationCd>WA</StateAbbreviationCd>
          <ZIPCd>98124</ZIPCd>
        </USAddress>
        <RecipientEIN>900564748</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>20000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>HOSPITAL FOR SPECIAL SURGERY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>535 EAST 72ND ST</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10021</ZIPCd>
        </USAddress>
        <RecipientEIN>131624135</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>30000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MAYO CLINIC RESEARCH</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 860334</AddressLine1Txt>
          <CityNm>MINNEAPOLIS</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55486</ZIPCd>
        </USAddress>
        <RecipientEIN>416011702</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>30000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>9</Total501c3OrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>RESEARCH GRANTS</GrantTypeTxt>
        <RecipientCnt>18</RecipientCnt>
        <CashGrantAmt>41822</CashGrantAmt>
        <NonCashAssistanceDesc>RESEARCH</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>GRANTEES MUST SUBMIT A FINAL REPORT BY SEPTEMBER 1 (FOLLOWING THE END OF THE GRANT YEAR), USING A STANDARD REPORT FORM, WHICH WILL BE PROVIDED AT THE TIME THE GRANT IS AWARDED. A WRITTEN NOTATION SHOULD BE MADE TO THE CHAIR OF THE POSNA RESEARCH COMMITTEE, IF THERE HAVE BEEN ANY PROBLEMS OR DELAYS WITH MEETING THE STATED OBJECTIVES OF THE GRANT IN THE ORIGINALLY PROPOSED TIME FRAME. IT IS EXTREMELY IMPORTANT THAT THE INVESTIGATOR REPORT THESE ACCOMPLISHMENTS. FAILURE TO SUBMIT A REPORT WILL RESULT IN INELIGIBILITY TO APPLY FOR FUTURE POSNA GRANTS OR AWARDS EITHER AS A PRINCIPAL INVESTIGATOR OR AS A CO-PI.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>TERI STECH</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>150414</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>3084</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>153498</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY IS ORGANIZED WITH TEN CLASSES OF MEMBERSHIP: ACTIVE, SENIOR, CORRESPONDING, ASSOCIATE, HONORARY, INACTIVE, CANDIDATE ACTIVE, CANDIDATE ASSOCIATE, ADJUNCT OR CANDIDATE CORRESPONDING MEMBERSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>INDUCTION OF ANY NEW MEMBERS SHALL TAKE PLACE AT EACH ANNUAL MEETING. A QUORUM SHALL CONSIST OF THOSE MEMBERS PRESENT AND CAPABLE OF VOTING AT ANY REGULAR OR SPECIAL BUSINESS SESSION OF THE SOCIETY, BUT IN NO EVENT SHALL A QUORUM CONSIST OF LESS THAN ONE-THIRD (1/3) OF THOSE MEMBERS CAPABLE OF VOTING. EXCEPT IN CASES AS OTHERWISE PROVIDED IN THE BYLAWS, MAJORITY OF THE AFFIRMATIVE OR NEGATIVE VOTE WILL CONSTITUTE A DETERMINATION OF AN ISSUE UPON WHICH A VOTE IS TAKEN. VOTING RIGHTS AS SPECIFIED BY THESE BYLAWS SHALL BE EXERCISED BY THE MEMBER IN PERSON. NO PROXY VOTE BY A MEMBER OTHERWISE ENTITLED TO VOTE, WHO IS NOT PRESENT IN PERSON AT THE BUSINESS SESSION OR COMMITTEE MEETING, SHALL BE ALLOWED. CUMULATIVE VOTING, TO PLACE ALL VOTES FOR A PARTICULAR CANDIDATE OR A PARTICULAR ISSUE, IS SPECIFICALLY PROHIBITED. WHENEVER WITHIN THE BYLAWS A MEMBER OF A COMMITTEE IS SPECIFIED TO BE EX-OFFICIO, IT IS SPECIFICALLY UNDERSTOOD THAT SAID EX-OFFICIO MEMBER SHALL NOT HAVE THE RIGHT TO VOTE UNLESS OTHERWISE SPECIFIED BY THE BOARD OF DIRECTORS. ONLY COMMITTEE MEMBERS DULY APPOINTED BY THE PRESIDENT OF THE SOCIETY OR ELECTED BY THE MEMBERSHIP SHALL BE ENTITLED TO VOTE WITHIN SAID COMMITTEE. ANY ADJUNCT COMMITTEE MEMBER OR CONSULTANT SHALL NOT HAVE THE RIGHT TO VOTE UNLESS SPECIFIED BY THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS PROVIDED TO THE BOARD OF DIRECTORS FOR REVIEW PRIOR TO FILING. ANY QUESTIONS RAISED AS A RESULT OF THE BOARD REVIEW ARE RESOLVED PRIOR TO THE FILING OF THE FORM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY SUBMITS A QUESTIONNAIRE SEMI-ANNUALLY TO SUCH PERSON WITH THE QUESTIONS DESIGNED TO DETECT ANY VIOLATION OF THE CONFLICT OF INTEREST POLICY. THE SOCIETY THEN PREPARES A REPORT OF ITS FINDINGS AND PRESENTS IT TO THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
