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        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LAURA J MCGILL</PersonNm>
        <TitleTxt>IMMEDIATE PAST PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>R STEVEN JUSTICE</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANNALISA WEIGEL</PersonNm>
        <TitleTxt>TREASURER (EXITING FY24)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NANCY ANDERSON</PersonNm>
        <TitleTxt>TRUSTEE (INCOMING FY24)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHNATHON CALDWELL</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FRANK CULBERTSON</PersonNm>
        <TitleTxt>TRUSTEE (EXITING FY24)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KEOKI JACKSON</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LARRY JAMES</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BEN LINDER</PersonNm>
        <TitleTxt>TRUSTEE (INCOMING FY24)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BENJAMIN MARCHIONNA</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TODD MOSHER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHERYL O'KEEFE</PersonNm>
        <TitleTxt>TRUSTEE (INCOMING FY24)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KAREN WILLCOX</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEPHANIE WILSON</PersonNm>
        <TitleTxt>TRUSTEE (EXITING FY24)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>3101201</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>374764</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>35</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CAESARS ENTERTAINMENT</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1 CAESARS PALACE DR</AddressLine1Txt>
            <CityNm>LAS VEGAS</CityNm>
            <StateAbbreviationCd>NV</StateAbbreviationCd>
            <ZIPCd>89109</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONVENTION SERVICES</ServicesDesc>
        <CompensationAmt>1554518</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>GAYLORD NATIONAL RESORT &amp; CONVENTION CEN</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>201 WATERFRONT ST</AddressLine1Txt>
            <CityNm>OXON HILL</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>20745</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONVENTION SERVICES</ServicesDesc>
        <CompensationAmt>1281600</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>LUMENS AUDIO VISUAL</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1827 S ALMOND ST</AddressLine1Txt>
            <CityNm>ONTARIO</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91762</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LIGHTING &amp; AUDIO/VISUAL SERVICES</ServicesDesc>
        <CompensationAmt>764247</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MANCHESTER GRAND HYATT SAN DIEGO</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>ONE MARKET PL</AddressLine1Txt>
            <CityNm>SAN DIEGO</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>92101</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONVENTION SERVICES</ServicesDesc>
        <CompensationAmt>608749</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>LUMINA DATAMATICS INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 10852</AddressLine1Txt>
            <CityNm>PALATINE</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60055</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>PRINTING/PRODUCTION</ServicesDesc>
        <CompensationAmt>468617</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>27</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>41009</AllOtherContributionsAmt>
      <TotalContributionsAmt>41009</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>PUBLICATIONS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>9838130</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>9838130</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>CONFERENCES &amp; EDUCATION</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>8484117</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>8484117</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBER SERVICES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>4130403</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4039899</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>90504</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SPONSORSHIPS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1460832</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1460832</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>EXHIBITS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>969000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>969000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalOthProgramServiceRevGrp>
        <TotalRevenueColumnAmt>123261</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>123261</RelatedOrExemptFuncIncomeAmt>
      </TotalOthProgramServiceRevGrp>
      <TotalProgramServiceRevenueAmt>25005743</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>1150933</TotalRevenueColumnAmt>
        <ExclusionAmt>1150933</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>225159</TotalRevenueColumnAmt>
        <ExclusionAmt>225159</ExclusionAmt>
      </RoyaltiesRevenueGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>1040739</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>757281</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>283458</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>283458</TotalRevenueColumnAmt>
        <ExclusionAmt>283458</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <OtherRevenueMiscGrp>
        <Desc>BANNER ADS</Desc>
        <BusinessCd>541800</BusinessCd>
        <TotalRevenueColumnAmt>137961</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>137961</UnrelatedBusinessRevenueAmt>
      </OtherRevenueMiscGrp>
      <MiscellaneousRevenueGrp>
        <TotalRevenueColumnAmt>237831</TotalRevenueColumnAmt>
        <ExclusionAmt>237831</ExclusionAmt>
      </MiscellaneousRevenueGrp>
      <OtherRevenueTotalAmt>375792</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>27082094</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>24915239</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>228465</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1897381</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>2000</TotalAmt>
        <ProgramServicesAmt>2000</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>4046</TotalAmt>
        <ProgramServicesAmt>4046</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>4400</TotalAmt>
        <ProgramServicesAmt>4400</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>2621592</TotalAmt>
        <ProgramServicesAmt>2105835</ProgramServicesAmt>
        <ManagementAndGeneralAmt>515757</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>6516402</TotalAmt>
        <ProgramServicesAmt>5240266</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1276136</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>286483</TotalAmt>
        <ProgramServicesAmt>227593</ProgramServicesAmt>
        <ManagementAndGeneralAmt>58890</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>631153</TotalAmt>
        <ProgramServicesAmt>501409</ProgramServicesAmt>
        <ManagementAndGeneralAmt>129744</ManagementAndGeneralAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>648322</TotalAmt>
        <ProgramServicesAmt>515053</ProgramServicesAmt>
        <ManagementAndGeneralAmt>133269</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>66951</TotalAmt>
        <ManagementAndGeneralAmt>66951</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>110493</TotalAmt>
        <ProgramServicesAmt>22524</ProgramServicesAmt>
        <ManagementAndGeneralAmt>87969</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>59537</TotalAmt>
        <ManagementAndGeneralAmt>59537</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>2910321</TotalAmt>
        <ProgramServicesAmt>2816426</ProgramServicesAmt>
        <ManagementAndGeneralAmt>93895</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>955623</TotalAmt>
        <ProgramServicesAmt>956258</ProgramServicesAmt>
        <ManagementAndGeneralAmt>-635</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>1045307</TotalAmt>
        <ProgramServicesAmt>912445</ProgramServicesAmt>
        <ManagementAndGeneralAmt>132862</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>2288282</TotalAmt>
        <ProgramServicesAmt>2045732</ProgramServicesAmt>
        <ManagementAndGeneralAmt>242550</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <RoyaltiesGrp>
        <TotalAmt>165395</TotalAmt>
        <ProgramServicesAmt>127495</ProgramServicesAmt>
        <ManagementAndGeneralAmt>37900</ManagementAndGeneralAmt>
      </RoyaltiesGrp>
      <OccupancyGrp>
        <TotalAmt>354863</TotalAmt>
        <ProgramServicesAmt>284616</ProgramServicesAmt>
        <ManagementAndGeneralAmt>70247</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>530717</TotalAmt>
        <ProgramServicesAmt>393012</ProgramServicesAmt>
        <ManagementAndGeneralAmt>137705</ManagementAndGeneralAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>6316537</TotalAmt>
        <ProgramServicesAmt>6288707</ProgramServicesAmt>
        <ManagementAndGeneralAmt>27830</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>-6457</TotalAmt>
        <ProgramServicesAmt>-4977</ProgramServicesAmt>
        <ManagementAndGeneralAmt>-1480</ManagementAndGeneralAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>215643</TotalAmt>
        <ProgramServicesAmt>176648</ProgramServicesAmt>
        <ManagementAndGeneralAmt>38995</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>114789</TotalAmt>
        <ProgramServicesAmt>88485</ProgramServicesAmt>
        <ManagementAndGeneralAmt>26304</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>AWARDS &amp; HONORARIA</Desc>
        <TotalAmt>601309</TotalAmt>
        <ProgramServicesAmt>599685</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1624</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>JOURNALS AND PUBLICATIO</Desc>
        <TotalAmt>344731</TotalAmt>
        <ProgramServicesAmt>343866</ProgramServicesAmt>
        <ManagementAndGeneralAmt>865</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>FINDERS</Desc>
        <TotalAmt>205146</TotalAmt>
        <ProgramServicesAmt>158138</ProgramServicesAmt>
        <ManagementAndGeneralAmt>47008</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DUES &amp; SUBSCRIPTIONS</Desc>
        <TotalAmt>122454</TotalAmt>
        <ProgramServicesAmt>110922</ProgramServicesAmt>
        <ManagementAndGeneralAmt>11532</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>602847</TotalAmt>
        <ProgramServicesAmt>511259</ProgramServicesAmt>
        <ManagementAndGeneralAmt>91588</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>27718886</TotalAmt>
        <ProgramServicesAmt>24431843</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3287043</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1985167</BOYAmt>
        <EOYAmt>2848983</EOYAmt>
      </CashNonInterestBearingGrp>
      <AccountsReceivableGrp>
        <BOYAmt>173879</BOYAmt>
        <EOYAmt>42931</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>2147082</BOYAmt>
        <EOYAmt>1348184</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>7486587</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>7101368</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>585563</BOYAmt>
        <EOYAmt>385219</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>32444940</BOYAmt>
        <EOYAmt>39243683</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>1398440</BOYAmt>
        <EOYAmt>1150479</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>38735071</BOYAmt>
        <EOYAmt>45019479</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>2590039</BOYAmt>
        <EOYAmt>4439421</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>6185837</BOYAmt>
        <EOYAmt>5319521</EOYAmt>
      </DeferredRevenueGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>1827011</BOYAmt>
        <EOYAmt>1346941</EOYAmt>
      </OtherLiabilitiesGrp>
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        <PersonNm>CHRISTOPHER SEMON</PersonNm>
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        <PersonNm>DANIEL DAY</PersonNm>
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        <PersonNm>BENJAMIN IANNOTTA</PersonNm>
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        <PersonNm>STEPHEN LEE</PersonNm>
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        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>HEALTH/SOCIAL CLUB DUES ARE AVAILABLE TO ALL STAFF MEMBERS. DURING THE TAX YEAR, 88 INDIVIDUALS RECEIVED THIS BENEFIT. IT WAS TAXABLE TO ALL WHO RECEIVED IT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>AIAA HAS A MERIT BONUS SYSTEM THAT APPLIES TO ALL EMPLOYEES AND IS MONITORED BY THE COMPENSATION COMMITTEE OF INDEPENDENT BOARD MEMBERS.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION AMENDED ITS BYLAWS IN SEPTEMBER 2024 TO UPDATE THE TERM LIMITS FOR THE CHAIRPERSON.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>AIAA DOES HAVE MEMBERS. ITS MEMBERSHIP CLASSES INCLUDE HONORARY FELLOWS, HONORARY MEMBERS, FELLOWS, ASSOCIATE FELLOWS, SENIOR MEMBERS, MEMBERS, ASSOCIATE MEMBERS, AFFILIATE MEMBERS, STUDENT MEMBERS, AND CORPORATE MEMBERS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>HONORARY FELLOWS, FELLOWS, ASSOCIATE FELLOWS, SENIOR MEMBERS, AND MEMBERS SHALL BE ELIGIBLE TO HOLD OFFICE AND TO VOTE. HONORARY MEMBERS SHALL BE ENTITLED TO VOTE BUT SHALL NOT BE ENTITLED TO BE AN OFFICER OR DIRECTOR. MEMBERS VOTE ANNUALLY TO ELECT MEMBERS OF THE COUNCIL OF DIRECTORS AND BOARD OF TRUSTEES, AND WHEN NEEDED TO MAKE CHANGES TO THE INSTITUTE CONSTITUTION.</ExplanationTxt>
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        <ExplanationTxt>CHANGES TO THE CONSTITUTION MUST BE RATIFIED BY THE MEMBERSHIP.</ExplanationTxt>
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        <ExplanationTxt>FORM 990 IS PLACED ON A WEBSITE FOR THE BOARD OF DIRECTORS TO REVIEW. MANAGEMENT REVIEWS FORM 990 BY VALIDATING THE ANSWERS AND RECONCILING FINANCIAL INFORMATION TO THE AUDITED FINANCIAL STATEMENTS TO ENSURE ACCURACY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY, AIAA BOARD MEMBERS AND AIAA STAFF ARE REQUIRED TO SIGN A CONFLICT OF INTEREST POLICY ACKNOWLEDGEMENT AND DISCLOSURE STATEMENTS AND CERTIFY THAT THE REQUIREMENTS OF THIS POLICY HAVE BEEN MET.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD COMPENSATION COMMITTEE WILL ANNUALLY REVIEW AND RECOMMEND TO THE BOARD FOR APPROVAL THE SALARY ADJUSTMENT POOLS AND THE BONUS POOLS TO BE USED FOR STAFF COMPENSATION. THE COMPENSATION COMMITTEE CONSISTS OF INDEPENDENT BOARD MEMBERS, RELYING ON OUTSIDE KNOWLEDGEABLE CONSULTANTS, ARMED WITH RECENT AND RELEVANT SALARY SURVEYS, AND RECOMMENDS COMPENSATION TO THE BOARD. THE MOST RECENT REVIEW OF THE EXECUTIVE DIRECTOR COMPENSATION OCCURRED IN SEPTEMBER 2024.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS ARE AVAILABLE ON AIAA'S WEBSITE.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>CONSULTANTS: PROGRAM SERVICE EXPENSES 1,495,931. MANAGEMENT AND GENERAL EXPENSES 68,702. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 1,564,633. OUTSIDE PRODUCTION: PROGRAM SERVICE EXPENSES 643,330. MANAGEMENT AND GENERAL EXPENSES 696. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 644,026. OTHER PROFESSIONAL FEES: PROGRAM SERVICE EXPENSES 529,971. MANAGEMENT AND GENERAL EXPENSES 24,338. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 554,309. EDITORS: PROGRAM SERVICE EXPENSES 147,194. MANAGEMENT AND GENERAL EXPENSES 159. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 147,353.</ExplanationTxt>
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      <SupplementalInformationDetail>
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