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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>THOMAS A COOPER</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR (UNTIL AUGUST)</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>275385</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>54873</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANDRE WILLIAMS</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR (AS OF AUGUST)</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>106157</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>313</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JASON POINTE</PersonNm>
        <TitleTxt>PUBLISHING DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>227818</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>39879</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JULE BRADARIC</PersonNm>
        <TitleTxt>OPERATIONS DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>182156</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>36870</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MEGHAN WHITBECK</PersonNm>
        <TitleTxt>MARKETING &amp; MEMBER ENGAGEMENT DIR.</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>157795</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>16464</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KRISTIN HOWARD</PersonNm>
        <TitleTxt>MEETINGS &amp; EDUCATION DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>126973</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>23530</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEANETTE ESAU</PersonNm>
        <TitleTxt>E-LEARNING MANAGER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>126248</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>29776</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1210588</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>201705</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>8</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>HYATT REGENCY SEATTLE</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>808 HOWELL STREET</AddressLine1Txt>
            <CityNm>SEATTLE</CityNm>
            <StateAbbreviationCd>WA</StateAbbreviationCd>
            <ZIPCd>98101</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MEETING VENUE</ServicesDesc>
        <CompensationAmt>316070</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>JJ PANDIT LTD</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <ForeignAddress>
            <AddressLine1Txt>THE MOAT 15 NORTH END ROAD</AddressLine1Txt>
            <CityNm>STEEPLE CLAYDON</CityNm>
            <CountryCd>CA</CountryCd>
            <ForeignPostalCd>MK182PG</ForeignPostalCd>
          </ForeignAddress>
        </ContractorAddress>
        <ServicesDesc>EDITORIAL SERVICES</ServicesDesc>
        <CompensationAmt>245250</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>WOLTERS KLUWER HEALTH INC (WKH)</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>16705 COLLECTION CENTER DRIVE</AddressLine1Txt>
            <CityNm>CHICAGO</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60693</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>PUBLICATION/ DISTRIBUTION</ServicesDesc>
        <CompensationAmt>196109</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>HAN GROUP LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1750 TYSONS BOULEVARD 1500</AddressLine1Txt>
            <CityNm>MCLEAN</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>22102</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ACCOUNTING SERVICES</ServicesDesc>
        <CompensationAmt>140282</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>JOHN WILEY &amp; SONS INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>P O BOX 22308</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10087</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>E-LEARNING</ServicesDesc>
        <CompensationAmt>133257</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>5</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>25238</AllOtherContributionsAmt>
      <TotalContributionsAmt>25238</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>JOURNAL</Desc>
        <BusinessCd>541800</BusinessCd>
        <TotalRevenueColumnAmt>3633336</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3544755</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>88581</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>715413</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>715413</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL MEETING</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>490460</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>384460</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>106000</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>OPENANESTHESIA</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>13114</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>13114</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MANAGEMENT FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>3750</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3750</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>4856073</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>793515</TotalRevenueColumnAmt>
        <ExclusionAmt>793515</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>1991621</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>806189</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>1185432</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>1185432</TotalRevenueColumnAmt>
        <ExclusionAmt>1185432</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>6860258</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4661492</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>88581</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2084947</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>350000</TotalAmt>
        <ProgramServicesAmt>350000</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>14908</TotalAmt>
        <ProgramServicesAmt>14908</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>349474</TotalAmt>
        <ProgramServicesAmt>349474</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>444784</TotalAmt>
        <ProgramServicesAmt>8056</ProgramServicesAmt>
        <ManagementAndGeneralAmt>436728</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>1347210</TotalAmt>
        <ProgramServicesAmt>612412</ProgramServicesAmt>
        <ManagementAndGeneralAmt>734798</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>124976</TotalAmt>
        <ProgramServicesAmt>52157</ProgramServicesAmt>
        <ManagementAndGeneralAmt>72819</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>98613</TotalAmt>
        <ProgramServicesAmt>46585</ProgramServicesAmt>
        <ManagementAndGeneralAmt>52028</ManagementAndGeneralAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>129772</TotalAmt>
        <ProgramServicesAmt>45965</ProgramServicesAmt>
        <ManagementAndGeneralAmt>83807</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>11168</TotalAmt>
        <ManagementAndGeneralAmt>11168</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>180086</TotalAmt>
        <ManagementAndGeneralAmt>180086</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>118435</TotalAmt>
        <ManagementAndGeneralAmt>118435</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>1210283</TotalAmt>
        <ProgramServicesAmt>1153270</ProgramServicesAmt>
        <ManagementAndGeneralAmt>57013</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>106873</TotalAmt>
        <ProgramServicesAmt>104613</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2260</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>115696</TotalAmt>
        <ProgramServicesAmt>50498</ProgramServicesAmt>
        <ManagementAndGeneralAmt>65198</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>360377</TotalAmt>
        <ProgramServicesAmt>310089</ProgramServicesAmt>
        <ManagementAndGeneralAmt>50288</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>356</TotalAmt>
        <ProgramServicesAmt>277</ProgramServicesAmt>
        <ManagementAndGeneralAmt>79</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>226064</TotalAmt>
        <ProgramServicesAmt>95335</ProgramServicesAmt>
        <ManagementAndGeneralAmt>130729</ManagementAndGeneralAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>327683</TotalAmt>
        <ProgramServicesAmt>254348</ProgramServicesAmt>
        <ManagementAndGeneralAmt>73335</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>30720</TotalAmt>
        <ManagementAndGeneralAmt>30720</ManagementAndGeneralAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>26928</TotalAmt>
        <ProgramServicesAmt>26928</ProgramServicesAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>27882</TotalAmt>
        <ProgramServicesAmt>17054</ProgramServicesAmt>
        <ManagementAndGeneralAmt>10828</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>DUES AND SUBSCRIPTIONS</Desc>
        <TotalAmt>232078</TotalAmt>
        <ProgramServicesAmt>227744</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4334</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>CME &amp; COURSE PRODUCTION</Desc>
        <TotalAmt>44264</TotalAmt>
        <ProgramServicesAmt>44264</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>UBI TAXES</Desc>
        <TotalAmt>15083</TotalAmt>
        <ManagementAndGeneralAmt>15083</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>5893713</TotalAmt>
        <ProgramServicesAmt>3763977</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2129736</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>254724</BOYAmt>
        <EOYAmt>3996839</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>87511</BOYAmt>
        <EOYAmt>19948</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>245443</BOYAmt>
      </AccountsReceivableGrp>
      <OthNotesLoansReceivableNetGrp>
        <EOYAmt>2240</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>108649</BOYAmt>
        <EOYAmt>91634</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>98445</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>93957</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>31415</BOYAmt>
        <EOYAmt>4488</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>28902837</BOYAmt>
        <EOYAmt>26089893</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>30084</BOYAmt>
        <EOYAmt>504788</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <InvestmentsProgramRelatedGrp>
        <EOYAmt>4591154</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <TotalAssetsGrp>
        <BOYAmt>29660663</BOYAmt>
        <EOYAmt>35300984</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1733993</BOYAmt>
        <EOYAmt>772933</EOYAmt>
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      <GrantsPayableGrp>
        <BOYAmt>930876</BOYAmt>
        <EOYAmt>768710</EOYAmt>
      </GrantsPayableGrp>
      <DeferredRevenueGrp>
        <BOYAmt>475019</BOYAmt>
        <EOYAmt>4316433</EOYAmt>
      </DeferredRevenueGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>850000</BOYAmt>
        <EOYAmt>900000</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>3989888</BOYAmt>
        <EOYAmt>6758076</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>25622566</BOYAmt>
        <EOYAmt>28542908</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>48209</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>25670775</BOYAmt>
        <EOYAmt>28542908</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>29660663</BOYAmt>
        <EOYAmt>35300984</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>966545</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>1905588</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>206741</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>261188</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>299862</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>127739</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>25238</CurrentTaxYearAmt>
        <TotalAmt>920768</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>206741</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>261188</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>299862</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>127739</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>25238</CurrentTaxYearAmt>
        <TotalAmt>920768</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>920768</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>634524</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>663910</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>592145</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>740789</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>793515</CurrentTaxYearAmt>
        <TotalAmt>3424883</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <UnrelatedBusinessNetIncm170Grp>
        <CurrentTaxYearMinus4YearsAmt>135700</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>145479</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>137086</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>99775</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>72309</CurrentTaxYearAmt>
        <TotalAmt>590349</TotalAmt>
      </UnrelatedBusinessNetIncm170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus3YearsAmt>74636</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>25000</CurrentTaxYearMinus2YearsAmt>
        <TotalAmt>99636</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>5035636</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>23013632</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.18290</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.24460</PublicSupportPY170Pct>
      <TenPctFactsCrcmstncsTestCYInd>X</TenPctFactsCrcmstncsTestCYInd>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>MISCELLANEOUS REVENUE - 2020 AMOUNT: $ 0. 2021 AMOUNT: $ 74,636. 2022 AMOUNT: $ 25,000. 2023 AMOUNT: $ 0. 2024 AMOUNT: $ 0.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, SECTION C, LINE 17A-FACTS AND CIRCUMSTANCES TEST:</FormAndLineReferenceDesc>
        <ExplanationTxt>I. BACKGROUND: THE INTERNATIONAL ANESTHESIA RESEARCH SOCIETY (IARS) IS A NONPOLITICAL, NOT-FOR-PROFIT MEDICAL SOCIETY FOUNDED IN 1922 TO ADVANCE AND SUPPORT SCIENTIFIC RESEARCH AND EDUCATION RELATED TO ANESTHESIA AND THE IMPROVEMENT OF PATIENT CARE THROUGH RESEARCH. IARS CONTRIBUTES NEARLY $1 MILLION ANNUALLY TO FUND ANESTHESIA RESEARCH AND MAINTAINS A WORLDWIDE MEMBERSHIP OF PHYSICIANS, HEALTHCARE PROFESSIONALS, FELLOWS, RESIDENTS, STUDENTS AND OTHERS WITHIN ANESTHESIA-RELATED PRACTICE. IARS PROVIDES FORUMS FOR MEMBERS TO SHARE INFORMATION AND EXCHANGE IDEAS AND SUPPORT HIGH-QUALITY CLINICAL DISCUSSIONS. THESE FORUMS INCLUDE AN ANNUAL SCIENTIFIC EDUCATIONAL MEETING, AN ONLINE MEMBER COMMUNITY, MONTHLY WEBINARS AND A MONTHLY PRINT AND ONLINE PEER-REVIEWED JOURNAL, ANESTHESIA &amp; ANALGESIA, AND THE CLINICAL ONLINE COMPANION JOURNAL, A&amp;A PRACTICE, FOR THE GLOBAL ANESTHESIOLOGY COMMUNITY. ALL ACTIVITIES ARE DESIGNED TO ADVANCE THE SPECIALTY. II. ANALYSIS: IARS QUALIFIES AS A "PUBLICLY SUPPORTED ORGANIZATION DESCRIBED UNDER IRC SECTION 170(B)(1)(A)(VI) AND THEREFORE AS AN ORGANIZATION DESCRIBED IN SECTION 509(A)(1) BECAUSE IT SATISFIES THE "FACTS AND CIRCUMSTANCES TEST" SET FORTH IN SECTION 1170A-9(E)(3) OF THE TREASURY REGULATIONS. A THRESHOLD REQUIREMENTS IARS IS ELIGIBLE FOR A DETERMINATION OF PUBLIC SUPPORT UNDER THE FACTS AND CIRCUMSTANCES TEST BECAUSE IT MEETS THE TWO THRESHOLD REQUIREMENTS FOR CONSIDERATION. FIRST, THE PORTION OF IARS' SUPPORT THAT QUALIFIES IS ELIGIBLE PUBLIC SUPPORT IN 2024 WAS APPROXIMATELY 18.29%, WHICH EXCEEDS THE 10% THRESHOLD REQUIRED UNDER TREASURY REGULATION SECTION 1170A-9(E)(3)(1). SECOND, IARS OPERATIONS ENSURE THAT IT WILL CONTINUE TO ATTRACT NEW AND ADDITIONAL PUBLIC SUPPORT, AS REQUIRED BY TREASURY REGULATION SECTION 1170A-9(E)(3). IARS WILL INITIATE FUNDRAISING PROGRAMS TARGETING GOVERNMENT AGENCIES, INDIVIDUALS, PRIVATE FOUNDATIONS, AND FOR-PROFIT CORPORATIONS THAT SHARE ITS MISSION, THEREBY SATISFYING THE OTHER THRESHOLD REQUIREMENT FOR QUALIFYING AS PUBLICLY SUPPORTED UNDER THE FACTS AND CIRCUMSTANCES TEST. IARS HAS A DONATE NOW BUTTON ON THEIR WEBSITE, THUS WELCOMING DONATIONS FROM OTHER ORGANIZATIONS. OTHER RELEVANT FACTORS IN DETERMINING WHETHER IARS MEETS THE "FACTS AND CIRCUMSTANCES TEST," IS THAT THE TREASURY REGULATIONS ALSO PROVIDE A LIST OF FACTORS THAT SERVE AS AN INDICATION OF WHETHER AN ORGANIZATION QUALIFIES AS "PUBLICLY SUPPORTED." THE HIGHER THE PERCENTAGE OF SUPPORT ABOVE THE 10% REQUIREMENT, THE LOWER THE ORGANIZATION'S BURDEN IN ESTABLISHING ITS PUBLICLY SUPPORTED NATURE WITH OTHER FACTORS. THESE ADDITIONAL FACTORS, DISCUSSED BELOW, PROVIDE FURTHER EVIDENCE THAT IARS SATISFIES THE FACTS AND CIRCUMSTANCES TEST. 1) SOURCES OF SUPPORT: IARS RECEIVES ITS PUBLIC SUPPORT FROM A WIDE VARIETY OF CONTRIBUTORS AND DOES NOT DEPEND ON A SINGLE FAMILY FOR CONTRIBUTIONS, TWO FACTS THAT PROVIDE FURTHER SUPPORT FOR IARS QUALIFICATION AS A "PUBLICLY SUPPORTED" ENTITY. THESE DONORS INCLUDE TAX-EXEMPT ENTITIES AND INDIVIDUAL DONORS. IARS PLANS TO CONTINUE REACHING OUT TO NEW DONORS IN THE COMING YEARS. 2) REPRESENTATIVE GOVERNING BODY: THE REPRESENTATIVE NATURE OF AN ORGANIZATION'S GOVERNING BODY IS ALSO A FACTOR IN DETERMINING WHETHER IT QUALIFIES UNDER THE "FACTS AND CIRCUMSTANCES TEST." IN CONSIDERING WHETHER A BOARD IS REPRESENTATIVE, SUCH FACTORS AS THE MEMBERS' EXPERTISE IN THE RELEVANT FIELD, THEIR HISTORY OF LEADERSHIP IN THE COMMUNITY AND THEIR TRADITION OF PUBLIC SERVICE ARE RELEVANT IARS BOARD OF DIRECTORS INCLUDES A VARIETY OF INDIVIDUALS WITH EXCEPTIONAL BACKGROUNDS. THE BOARD DIRECTORS IS LOCATED AT FORM 990, PART VII, SECTION A. PARTICIPATION IN PROGRAMS UNDER SECTION 1170A-9(E)(3)(V)(1)(C)(1) OF THE TREASURY REGULATIONS, ONE FACTOR INDICATING THAT AN ORGANIZATION QUALIFIES AS "PUBLICLY SUPPORTED" UNDER THE FACTS AND CIRCUMSTANCES TEST IS THAT "MEMBERS OF THE PUBLIC HAVING SPECIALIZED KNOWLEDGE OR EXPERTISE, PUBLIC OFFICIALS, OR CIVIC OR COMMUNITY LEADERS" PARTICIPATE IN, OR SPONSOR, THE ORGANIZATION'S PROGRAMS AS DISCUSSED ABOVE, ALL OF IARS DIRECTORS ARE EXPERTS AND LEADERS. CONCLUSION: IARS HAS THE CHARACTERISTICS OF A "PUBLICLY SUPPORTED ORGANIZATION, BASED ON THE FACTS AND CIRCUMSTANCES TEST DESCRIBED IN SECTION 1170A-9(E)(3) OF THE TREASURY REGULATIONS SPECIFICALLY, A SMALL NUMBER OF DONORS DO NOT CONTROL IARS, RATHER IARS IS A GROWING INSTITUTION THAT BEARS MANY OF THE INDICIA OF A "PUBLICLY SUPPORTED ORGANIZATION, INCLUDING PUBLIC SUPPORT FROM A WIDE CROSS-SECTION OF DONORS, WITH A REPRESENTATIVE GOVERNING BODY. MOREOVER, IARS IS CONTINUING TO SEEK NEW SOURCES OF SUPPORT FROM THE GENERAL PUBLIC AS WELL AS OTHER ORGANIZATIONS ACCORDINGLY, IARS QUALIFIES AS A "PUBLICLY SUPPORTED ORGANIZATION DESCRIBED IN SECTION 170(B)(1)(A)(VI).</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc1040000001">
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        <OtherCostOrOtherBasisAmt>98445</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>93957</DepreciationAmt>
        <BookValueAmt>4488</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>4488</TotalBookValueLandBuildingsAmt>
      <InvstProgramRelatedOrgGrp>
        <Desc>INVESTMENT IN LEARNSWELL, INC.</Desc>
        <BookValueAmt>4591154</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
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      <TotalBookValueProgramRltdAmt>4591154</TotalBookValueProgramRltdAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>8647411</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>1905588</NetUnrealizedGainsInvstAmt>
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      <RevenueSubtotalAmt>6741823</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>118435</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>118435</RevenueNotReportedFinclStmtAmt>
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      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>5775278</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>118435</InvestmentExpensesNotIncld2Amt>
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      <TotalExpensesPerForm990Amt>5893713</TotalExpensesPerForm990Amt>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY IS A QUALIFIED ORGANIZATION EXEMPT FROM FEDERAL INCOME TAXES UNDER 501(C)(3) OF THE INTERNAL REVENUE CODE ("IRC") AND SECTION 23701D OF THE CALIFORNIA REVENUE AND TAXATION CODE. ACCORDINGLY, THE SOCIETY IS EXEMPT FROM FEDERAL AND CALIFORNIA INCOME TAXES AND IS NOT LIABLE FOR FEDERAL UNEMPLOYMENT TAXES. ADVERTISING INCOME IS SUBJECT TO UNRELATED BUSINESS INCOME TAX. U.S. GAAP REQUIRES MANAGEMENT TO EVALUATE THE TAX POSITIONS TAKEN AND RECOGNIZE A TAX LIABILITY (OR ASSET) IF THE SOCIETY HAS TAKEN AN UNCERTAIN POSITION THAT MORE-LIKELY-THAN-NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY TAXING AUTHORITIES. MANAGEMENT EVALUATED THE SOCIETY'S TAX POSITIONS AND CONCLUDED THAT IT MAINTAINED ITS TAX-EXEMPT STATUS AND HAD TAKEN NO UNCERTAIN TAX POSITIONS THAT WOULD REQUIRE ADJUSTMENT TO THE CONSOLIDATED FINANCIAL STATEMENTS. THEREFORE, NO PROVISION OR LIABILITY FOR INCOME TAXES, EXCEPT FOR UNRELATED BUSINESS INCOME TAX FOR ADVERTISING REVENUE, HAS BEEN INCLUDED IN THE CONSOLIDATED FINANCIAL STATEMENTS. THE SOCIETY IS SUBJECT TO ROUTINE AUDITS BY TAXING JURISDICTIONS; HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY PERIODS PENDING OR IN PROGRESS.</ExplanationTxt>
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        <RegionTxt>NORTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTS</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>349474</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>349474</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>349474</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>5</RegionTxt>
        <PurposeOfGrantTxt>2024 IARS MENTORED RESEARCH AWARD</PurposeOfGrantTxt>
        <CashGrantAmt>174999</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>5</RegionTxt>
        <PurposeOfGrantTxt>2024 IARS MENTORED RESEARCH AWARD</PurposeOfGrantTxt>
        <CashGrantAmt>174475</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>2</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
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        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>AWARD FUNDS WILL BE ALLOCATED IN EQUAL INSTALLMENTS (2 FOR IMRA, 3 FOR FARA). CONSIDERATION WILL BE GIVEN TO REQUESTS FOR UNEQUAL PAYMENT INSTALLMENTS. - THE INSTALLMENT PAYMENT(S) IS CONTINGENT UPON RECEIPT OF A SATISFACTORY PROGRESS REPORT SUBMITTED TO IARS. - A FINAL PROGRESS REPORT AND BUDGET RECONCILIATION MUST BE SUBMITTED TO IARS AT THE CONCLUSION OF THE PROJECT. - ANY AND ALL PUBLICATIONS RESULTING FROM RESEARCH THAT HAS UTILIZED IARS FUNDS MUST INDICATE THE FOLLOWING: "SUPPORTED (OR 'SUPPORTED IN PART') BY A GRANT FROM THE INTERNATIONAL ANESTHESIA RESEARCH SOCIETY."</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>IN ACCORDANCE WITH IRS INSTRUCTIONS, ALL AMOUNTS REPORTED IN PARTS I AND II OF SCHEDULE F ARE REPORTED USING THE ACCRUAL BASIS OF ACCOUNTING, WHICH IS THE SAME METHOD OF ACCOUNTING USED IN THE FINANCIAL STATEMENTS.</ExplanationTxt>
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      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
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          <BusinessNameLine1Txt>UNIVERSITY OF NORTH CAROLINA</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>04 AIRPORT DRIVE SUITE 2200 CB 1350</AddressLine1Txt>
          <CityNm>CHAPEL HILL</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>27599</ZIPCd>
        </USAddress>
        <RecipientEIN>566001393</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>2024 IARS MENTORED RESEARCH AWARD</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>STANFORD UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>485 BROADWAY</AddressLine1Txt>
          <CityNm>REDWOOD CITY</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94063</ZIPCd>
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        <RecipientEIN>941156365</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>175000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>2024 IARS MENTORED RESEARCH AWARD</PurposeOfGrantTxt>
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      <Total501c3OrgCnt>2</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>RESEARCH INITIATIVES</GrantTypeTxt>
        <RecipientCnt>5</RecipientCnt>
        <CashGrantAmt>11958</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>TRAVEL GRANTS</GrantTypeTxt>
        <RecipientCnt>6</RecipientCnt>
        <CashGrantAmt>2950</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
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        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>AWARD FUNDS WILL BE ALLOCATED IN EQUAL INSTALLMENTS (2 FOR IMRA, 3 FOR FARA). CONSIDERATION WILL BE GIVEN TO REQUESTS FOR UNEQUAL PAYMENT INSTALLMENTS. - THE INSTALLMENT PAYMENT(S) IS CONTINGENT UPON RECEIPT OF A SATISFACTORY PROGRESS REPORT SUBMITTED TO IARS. - A FINAL PROGRESS REPORT AND BUDGET RECONCILIATION MUST BE SUBMITTED TO IARS AT THE CONCLUSION OF THE PROJECT. - ANY AND ALL PUBLICATIONS RESULTING FROM RESEARCH THAT HAS UTILIZED IARS FUNDS MUST INDICATE THE FOLLOWING: "SUPPORTED (OR 'SUPPORTED IN PART') BY A GRANT FROM THE INTERNATIONAL ANESTHESIA RESEARCH SOCIETY."</ExplanationTxt>
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      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
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      <IndependentConsultantInd>X</IndependentConsultantInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
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        <TitleTxt>EXECUTIVE DIRECTOR (UNTIL AUGUST)</TitleTxt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19927</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>219026</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MEGHAN WHITBECK</PersonNm>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>14452</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>2012</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>174259</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
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        <DeferredCompensationFlngOrgAmt>11835</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
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        <DeferredCompensationFlngOrgAmt>14452</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>150503</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>IARS ALLOWS TRUSTEES TO FLY ONE CLASS ABOVE ECONOMY FOR FLIGHTS OVER 5 HOURS IN LENGTH. IARS ALSO COVERS THE LOWEST UPGRADEABLE AIRFARE FOR SPOUSE TRAVEL. IARS PAYS FOR TRUSTEE'S SPOUSE OR COMPANION TO TRAVEL TO SELECT BOARD MEETINGS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>NONFIXED PAYMENTS REFER TO COMPENSATION AMOUNTS THAT ARE NOT DETERMINED BASED ON A FIXED FORMULA OR PRE-ESTABLISHED CRITERIA, SUCH AS DISCRETIONARY BONUSES AWARDED AT THE DISCRETION OF THE BOARD OF DIRECTORS OR MANAGEMENT. THESE PAYMENTS ARE TYPICALLY BASED ON SUBJECTIVE FACTORS SUCH AS INDIVIDUAL PERFORMANCE, ORGANIZATIONAL OUTCOMES, OR OTHER NON-FORMULAIC CONSIDERATIONS. THE FOLLOWING EMPLOYEE RECEIVED BONUSES FROM THE IARS IN 2024. 1. THOMAS A. COOPER - $22,278</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>DURING 2024, THE MEMBERSHIP PROGRAM ADDED EARLY CAREER AND LMIC AS MEMBER TYPES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>IARS CATEGORIES OF MEMBERS INCLUDE THE FOLLOWING: FULL MEMBERS: -INDIVIDUALS WITH DOCTORATE DEGREES (MD, PHD, DMD, DDS, DVM, ETC.), WHO ARE ENGAGED IN ACTIVE CLINICAL PRACTICE OR RESEARCH RELATING TO ANESTHESIA, PAIN MANAGEMENT OR PERIOPERATIVE MEDICINE. RETIRED: -MEMBERS WHO HAVE RECENTLY RETIRED AND BEEN A MEMBER FOR 10 YEARS OR MORE. TO BECOME A MEMBER AT THIS LEVEL. -IF YOUR ORGANIZATION HAS FIVE OR MORE INDIVIDUALS. FELLOWS, RESIDENTS, MEDICAL STUDENTS AND OTHERS IN TRAINING: -PHYSICIANS IN APPROVED ANESTHESIOLOGY TRAINING PROGRAMS. -GRADUATE STUDENTS OR POSTDOCTORAL SCHOLARS WITH AN INTEREST IN RESEARCHRELATING TO ANESTHESIA OR PAIN MANAGEMENT. -INDIVIDUALS IN MEDICAL SCHOOL OR TRAINING PROGRAMS FOR OTHER DISCIPLINES (I.E. CRNA TRAINING, DENTISTRY TRAINING, VETERINARY MEDICINE TRAINING, ANESTHESIOLOGY ASSISTANT TRAINING, ETC.). -PROGRAM INSTITUTION NAME, PROGRAM START, AND ANTICIPATED END DATE MUST BE PROVIDED. JOURNAL AFFILIATE SOCIETY MEMBERSHIPS: AFFILIATE FULL MEMBER, LIMITED PLUS MEMBER AND LIMITED MEMBER -MEMBERS OF ANESTHESIA &amp; ANALGESIA JOURNAL AFFILIATE SOCIETIES RECEIVE A DISCOUNT ON IARS MEMBERSHIP. THESE MEMBERSHIP DISCOUNTS DO NOT APPLY TO APSF OR WFSA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>IARS RETAINS THE SERVICES OF AN INDEPENDENT CPA FIRM TO PREPARE IARS' FEDERAL FORM 990. MANAGEMENT REVIEWS THE DRAFT FEDERAL FORM 990 AND PROVIDES A COPY TO THE BOARD OF TRUSTEES FOR REVIEW BEFORE IT IS FILED WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUSTEES, EMPLOYEES, AND JOURNAL EDITORS ARE EXPECTED TO DISCLOSE CONFLICTS OF INTEREST OR POTENTIAL CONFLICTS OF INTEREST; WHEN DISCLOSED OR OTHERWISE DISCOVERED, AN OFFICER OF THE CORPORATION DISCUSSES THE CONFLICT WITH THE INDIVIDUAL TO REACH A RESOLUTION; CONFLICTED BOARD TRUSTEES ABSTAIN FROM VOTING ON RELATED ISSUES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR'S COMPENSATION IS DETERMINED ANNUALLY BY THE EXECUTIVE COMMITTEE. IARS ALSO CONSULTS WITH A STAFFING CONSULTANT COMPANY NAMED STAFFING ADVISORS TO DETERMINE EXECUTIVE DIRECTOR'S COMPENSATION. STAFFING ADVISORS PROVIDES THE RESEARCH TO ASSIST WITH THE DETERMINATION OF COMPENSATION. THE MOST RECENT REVIEW WAS CONDUCTED IN MAY 2024.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>IARS' GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE MADE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>HONORARIUM: PROGRAM SERVICE EXPENSES 515,423. MANAGEMENT AND GENERAL EXPENSES 12,500. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 527,923. EDITOR: PROGRAM SERVICE EXPENSES 356,013. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 356,013. OUTSOURCED SERVICES: PROGRAM SERVICE EXPENSES 246,358. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 246,358. CONSULTING SERVICES: PROGRAM SERVICE EXPENSES 24,492. MANAGEMENT AND GENERAL EXPENSES 43,586. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 68,078. TEMPORARY HELP: PROGRAM SERVICE EXPENSES 7,767. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 7,767. TRAINING &amp; DEVELOPMENT: PROGRAM SERVICE EXPENSES 3,217. MANAGEMENT AND GENERAL EXPENSES 927. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 4,144.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SAFERANESTHESIA LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1630 N MAIN STREET 80</AddressLine1Txt>
          <CityNm>WALNUT CREEK</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94596</ZIPCd>
        </USAddress>
        <EIN>263900757</EIN>
        <PrimaryActivitiesTxt>PROMOTE ANESTHESIA SAFETY FOR CHILDREN</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>OH</LegalDomicileStateCd>
        <TotalIncomeAmt>503</TotalIncomeAmt>
        <EndOfYearAssetsAmt>0</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>INTERNATIONAL ANESTHESIA RESEARCH SOCIETY</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>OPENANESTHESIA LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1630 N MAIN STREET 80</AddressLine1Txt>
          <CityNm>WALNUT CREEK</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94596</ZIPCd>
        </USAddress>
        <EIN>471945729</EIN>
        <PrimaryActivitiesTxt>COMPREHENSIVE ONLINE ED. RESOURCE FOR ANESTHESIOLOGY RESIDENTS/PHYS.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <TotalIncomeAmt>13114</TotalIncomeAmt>
        <EndOfYearAssetsAmt>19948</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>INTERNATIONAL ANESTHESIA RESEARCH SOCIETY</BusinessNameLine1Txt>
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  </ReturnData>
</Return>