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        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PATRICIA SEITZ</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRADFORD WALKER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ELISE WOODWARD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MIKE DAVIS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID FANNON</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ERIC WHITE</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>76923</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>76923</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>16050</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>76923</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>76923</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>16050</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>TRADESHOW MANAGEMENT SERVICES LTD</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1645 FALMOUTH ROAD</AddressLine1Txt>
            <CityNm>CENTERVILLE</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02632</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>SALES FORCE FOR TRADESHOW AND MAGAZINE</ServicesDesc>
        <CompensationAmt>660486</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>BOSTON PROPERTIES</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>800 BOYLSTON STREET</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02199</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LANDLORD</ServicesDesc>
        <CompensationAmt>497454</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>FREEMAN</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 650036</AddressLine1Txt>
            <CityNm>DALLAS</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75265</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>TRADESHOW MANAGEMENT</ServicesDesc>
        <CompensationAmt>165460</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MASSACHUSETTS CONVENTION CENTER AUTHORIT</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>415 SUMMER STREET</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02210</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>VENUE RENT FOR TRADESHOW</ServicesDesc>
        <CompensationAmt>164401</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>4</CntrctRcvdGreaterThan100KCnt>
      <MembershipDuesAmt>1946575</MembershipDuesAmt>
      <AllOtherContributionsAmt>5130</AllOtherContributionsAmt>
      <TotalContributionsAmt>1951705</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>INDUSTRY TRADE SHOWS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>2531561</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2531561</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PUBLICATION SERVICES</Desc>
        <BusinessCd>511120</BusinessCd>
        <TotalRevenueColumnAmt>387910</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>387910</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MAGAZINE</Desc>
        <BusinessCd>541800</BusinessCd>
        <TotalRevenueColumnAmt>304026</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2264</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>301762</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PROGRAMS AND EVENTS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>143319</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>143319</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>RETAIL PRODUCTS</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>138802</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>138802</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>3505618</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>131635</TotalRevenueColumnAmt>
        <ExclusionAmt>131635</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>2294</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2294</RelatedOrExemptFuncIncomeAmt>
      </RoyaltiesRevenueGrp>
      <GrossRentsGrp>
        <RealAmt>103133</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>7863</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>95270</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>95270</TotalRevenueColumnAmt>
        <ExclusionAmt>95270</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>4212949</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>4104394</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>108555</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>108555</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>108555</RelatedOrExemptFuncIncomeAmt>
      </NetGainOrLossInvestmentsGrp>
      <OtherRevenueMiscGrp>
        <Desc>MANAGEMENT FEES ALLIED ORGANIZATI</Desc>
        <BusinessCd>541200</BusinessCd>
        <TotalRevenueColumnAmt>20025</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>20025</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>EXPENSE REIMBURSEMENT ALLIED ORGS</Desc>
        <BusinessCd>561000</BusinessCd>
        <TotalRevenueColumnAmt>19635</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>19635</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>425</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>425</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>40085</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>5835162</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3354790</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>301762</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>226905</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>458327</TotalAmt>
        <ProgramServicesAmt>458327</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>84948</TotalAmt>
        <ManagementAndGeneralAmt>84948</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>1377998</TotalAmt>
        <ManagementAndGeneralAmt>1377998</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>28086</TotalAmt>
        <ManagementAndGeneralAmt>28086</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>118874</TotalAmt>
        <ManagementAndGeneralAmt>118874</ManagementAndGeneralAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>124433</TotalAmt>
        <ManagementAndGeneralAmt>124433</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>668</TotalAmt>
        <ManagementAndGeneralAmt>668</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>21770</TotalAmt>
        <ManagementAndGeneralAmt>21770</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>34553</TotalAmt>
        <ManagementAndGeneralAmt>34553</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>11492</TotalAmt>
        <ManagementAndGeneralAmt>11492</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>101354</TotalAmt>
        <ManagementAndGeneralAmt>101354</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>179207</TotalAmt>
        <ProgramServicesAmt>84207</ProgramServicesAmt>
        <ManagementAndGeneralAmt>95000</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>406783</TotalAmt>
        <ProgramServicesAmt>406783</ProgramServicesAmt>
      </OccupancyGrp>
      <InterestGrp>
        <TotalAmt>1283</TotalAmt>
        <ManagementAndGeneralAmt>1283</ManagementAndGeneralAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>277201</TotalAmt>
        <ProgramServicesAmt>192639</ProgramServicesAmt>
        <ManagementAndGeneralAmt>84562</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>50428</TotalAmt>
        <ProgramServicesAmt>43412</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7016</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>PROGRAMS AND EVENTS</Desc>
        <TotalAmt>1616728</TotalAmt>
        <ProgramServicesAmt>1616728</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MAGAZINE</Desc>
        <TotalAmt>380015</TotalAmt>
        <ProgramServicesAmt>380015</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>PUBLICATIONS AND SERVIC</Desc>
        <TotalAmt>194721</TotalAmt>
        <ProgramServicesAmt>194721</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>COMMISSION ACTIVITIES</Desc>
        <TotalAmt>110278</TotalAmt>
        <ProgramServicesAmt>110278</ProgramServicesAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>221670</TotalAmt>
        <ProgramServicesAmt>136932</ProgramServicesAmt>
        <ManagementAndGeneralAmt>78550</ManagementAndGeneralAmt>
        <FundraisingAmt>6188</FundraisingAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>5800817</TotalAmt>
        <ProgramServicesAmt>3624042</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2170587</ManagementAndGeneralAmt>
        <FundraisingAmt>6188</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>230948</BOYAmt>
        <EOYAmt>436354</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>292775</BOYAmt>
        <EOYAmt>212102</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>237634</BOYAmt>
        <EOYAmt>347130</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>156210</BOYAmt>
        <EOYAmt>140332</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>4108283</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>1382496</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>2971579</BOYAmt>
        <EOYAmt>2725787</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>3878390</BOYAmt>
        <EOYAmt>3401296</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>469783</BOYAmt>
        <EOYAmt>469672</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>8237319</BOYAmt>
        <EOYAmt>7732673</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>217241</BOYAmt>
        <EOYAmt>515036</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>848968</BOYAmt>
        <EOYAmt>624834</EOYAmt>
      </DeferredRevenueGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>400000</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>1651607</BOYAmt>
        <EOYAmt>1602470</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>3117816</BOYAmt>
        <EOYAmt>2742340</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>5119503</BOYAmt>
        <EOYAmt>4990333</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>5119503</BOYAmt>
        <EOYAmt>4990333</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>8237319</BOYAmt>
        <EOYAmt>7732673</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>34345</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-163515</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <SubstantiallyAllDuesNondedInd>0</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>0</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>0</AgreeCarryoverPriorYearInd>
      <DuesAssessmentsAmt>1946575</DuesAssessmentsAmt>
      <NonDeductibleLbbyngPltclCYAmt>106119</NonDeductibleLbbyngPltclCYAmt>
      <NonDedLbbyngPltclCyovAmt>-48688</NonDedLbbyngPltclCyovAmt>
      <NonDeductibleLbbyngPltclTotAmt>57431</NonDeductibleLbbyngPltclTotAmt>
      <CarriedOverAmt>57431</CarriedOverAmt>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>3334269</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>678931</DepreciationAmt>
        <BookValueAmt>2655338</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>351615</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>311420</DepreciationAmt>
        <BookValueAmt>40195</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>422399</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>392145</DepreciationAmt>
        <BookValueAmt>30254</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>2725787</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>INTEREST RECEIVABLE</Desc>
        <BookValueAmt>25729</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>DEPOSIT TO SUPPORT LETTER OF CREDIT</Desc>
        <BookValueAmt>406436</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>MISCELLANEOUS DEPOSITS</Desc>
        <BookValueAmt>37507</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>469672</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED RENT</Desc>
        <Amt>529903</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEPOSITS ON ARE STUDY RESOURCES</Desc>
        <Amt>27778</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEPOSIT ON BSA SPACE RENT</Desc>
        <Amt>9175</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED LANDLORD INCENTIVE</Desc>
        <Amt>1035614</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>1602470</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>5679511</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-163514</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>7863</OtherRevenueAmt>
      <RevenueNotReportedAmt>-155651</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>5835162</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>5835162</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>5774128</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>7863</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>7863</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>5766265</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>34552</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>34552</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>5800817</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
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        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST SUBMITTED TO THE BOSTON SOCIETY OF ARCHITECTS, 290 CONGRESS STREET #200 BOSTON, MA 02210.</ExplanationTxt>
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