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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>425439</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>53946</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARGARET WHITEHEAD</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN P WALTERS</PersonNm>
        <TitleTxt>CHIEF OPERATING OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>411589</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>48787</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LEWIS LIBBY</PersonNm>
        <TitleTxt>SENIOR VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>326212</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>53661</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEVE CORDER</PersonNm>
        <TitleTxt>DIR. OF FINANCE AND TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>177232</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>24926</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MATTHEW HUNTER</PersonNm>
        <TitleTxt>DIR.STRATEGIC PARTNERSHIPS&amp;SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>110803</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>7813</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL MCKIVERGAN</PersonNm>
        <TitleTxt>VICE PRESIDENT, GOVERNMENT RELATIONS</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>221738</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32177</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>R BRIAN BLAKE</PersonNm>
        <TitleTxt>SENIOR FELLOW AND VP, DEVELOPMENT</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>211640</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>41064</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOEL SCANLON</PersonNm>
        <TitleTxt>DIR. OF STUDIES</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>185592</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>25362</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WALTER RUSSELL MEAD</PersonNm>
        <TitleTxt>DISTINGUISHED FELLOW</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>300894</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>33005</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL DORAN</PersonNm>
        <TitleTxt>SENIOR FELLOW</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>257171</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>43918</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ERIC BROWN</PersonNm>
        <TitleTxt>SENIOR FELLOW</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>228896</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>14468</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ARTHUR HERMAN</PersonNm>
        <TitleTxt>SENIOR FELLOW</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>221551</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>19842</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HILLEL FRADKIN</PersonNm>
        <TitleTxt>SENIOR FELLOW</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>217165</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>43944</OtherCompensationAmt>
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      <TotalReportableCompFromOrgAmt>3295922</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>442913</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>24</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MARKETING VENTURES OF AMERICA INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>97501 FRANKLIN RIDGE SUITE 100</AddressLine1Txt>
            <CityNm>CHAPEL HILL</CityNm>
            <StateAbbreviationCd>NC</StateAbbreviationCd>
            <ZIPCd>27517</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONSULTANT</ServicesDesc>
        <CompensationAmt>198250</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>STELZER ASSOCIATES INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>0372 NORTH STARWOOD DRIVE</AddressLine1Txt>
            <CityNm>ASPEN</CityNm>
            <StateAbbreviationCd>CO</StateAbbreviationCd>
            <ZIPCd>81611</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONSULTANT</ServicesDesc>
        <CompensationAmt>195500</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>AMERICAN PHILANTHROPIC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>18 N CHURCH STREET 2</AddressLine1Txt>
            <CityNm>WEST CHESTER</CityNm>
            <StateAbbreviationCd>PA</StateAbbreviationCd>
            <ZIPCd>19380</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>FUNDRAISING</ServicesDesc>
        <CompensationAmt>174386</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>SORIN D DUCARU</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <ForeignAddress>
            <AddressLine1Txt>STR G ALEXANDRESCU NR1 BLD7 A</AddressLine1Txt>
            <CityNm>BUCHAREST</CityNm>
            <CountryCd>RO</CountryCd>
          </ForeignAddress>
        </ContractorAddress>
        <ServicesDesc>CONSULTANT</ServicesDesc>
        <CompensationAmt>157270</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>RAYMOND C KENNEDY</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>713 VALENCIA ROAD</AddressLine1Txt>
            <CityNm>VENICE</CityNm>
            <StateAbbreviationCd>FL</StateAbbreviationCd>
            <ZIPCd>34285</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONSULTANT</ServicesDesc>
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      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>8</CntrctRcvdGreaterThan100KCnt>
      <FundraisingAmt>998762</FundraisingAmt>
      <AllOtherContributionsAmt>14318510</AllOtherContributionsAmt>
      <NoncashContributionsAmt>586436</NoncashContributionsAmt>
      <TotalContributionsAmt>15317272</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>INDEPENDENT RESEARCH</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>602452</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>602452</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>602452</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>1419447</TotalRevenueColumnAmt>
        <ExclusionAmt>1419447</ExclusionAmt>
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      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>30</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>30</RelatedOrExemptFuncIncomeAmt>
      </RoyaltiesRevenueGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>9380877</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>8950358</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>430519</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>430519</TotalRevenueColumnAmt>
        <ExclusionAmt>430519</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <FundraisingGrossIncomeAmt>66000</FundraisingGrossIncomeAmt>
      <ContriRptFundraisingEventAmt>998762</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>257680</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>-191680</TotalRevenueColumnAmt>
        <ExclusionAmt>-191680</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>BOOK &amp; PUBLICATION SALES</Desc>
        <BusinessCd>511130</BusinessCd>
        <TotalRevenueColumnAmt>180</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>180</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>180</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>17578220</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>602662</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1658286</ExclusionAmt>
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      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>2563875</TotalAmt>
        <ProgramServicesAmt>1923052</ProgramServicesAmt>
        <ManagementAndGeneralAmt>390879</ManagementAndGeneralAmt>
        <FundraisingAmt>249944</FundraisingAmt>
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        <ProgramServicesAmt>3395566</ProgramServicesAmt>
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        <FundraisingAmt>444379</FundraisingAmt>
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      <PensionPlanContributionsGrp>
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        <ProgramServicesAmt>185011</ProgramServicesAmt>
        <ManagementAndGeneralAmt>39024</ManagementAndGeneralAmt>
        <FundraisingAmt>22918</FundraisingAmt>
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        <TotalAmt>242189</TotalAmt>
        <ProgramServicesAmt>181442</ProgramServicesAmt>
        <ManagementAndGeneralAmt>38271</ManagementAndGeneralAmt>
        <FundraisingAmt>22476</FundraisingAmt>
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        <TotalAmt>417461</TotalAmt>
        <ProgramServicesAmt>312751</ProgramServicesAmt>
        <ManagementAndGeneralAmt>65968</ManagementAndGeneralAmt>
        <FundraisingAmt>38742</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>224305</TotalAmt>
        <ProgramServicesAmt>17963</ProgramServicesAmt>
        <ManagementAndGeneralAmt>206337</ManagementAndGeneralAmt>
        <FundraisingAmt>5</FundraisingAmt>
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      <FeesForServicesAccountingGrp>
        <TotalAmt>232021</TotalAmt>
        <ManagementAndGeneralAmt>232021</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesProfFundraising>
        <TotalAmt>257680</TotalAmt>
        <FundraisingAmt>257680</FundraisingAmt>
      </FeesForServicesProfFundraising>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>16947</TotalAmt>
        <ProgramServicesAmt>2473</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7964</ManagementAndGeneralAmt>
        <FundraisingAmt>6510</FundraisingAmt>
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        <TotalAmt>2894460</TotalAmt>
        <ProgramServicesAmt>2812270</ProgramServicesAmt>
        <ManagementAndGeneralAmt>73568</ManagementAndGeneralAmt>
        <FundraisingAmt>8622</FundraisingAmt>
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      <OfficeExpensesGrp>
        <TotalAmt>143481</TotalAmt>
        <ProgramServicesAmt>32606</ProgramServicesAmt>
        <ManagementAndGeneralAmt>105017</ManagementAndGeneralAmt>
        <FundraisingAmt>5858</FundraisingAmt>
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      <InformationTechnologyGrp>
        <TotalAmt>318795</TotalAmt>
        <ProgramServicesAmt>151372</ProgramServicesAmt>
        <ManagementAndGeneralAmt>158669</ManagementAndGeneralAmt>
        <FundraisingAmt>8754</FundraisingAmt>
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      <OccupancyGrp>
        <TotalAmt>2176372</TotalAmt>
        <ProgramServicesAmt>1717890</ProgramServicesAmt>
        <ManagementAndGeneralAmt>278291</ManagementAndGeneralAmt>
        <FundraisingAmt>180191</FundraisingAmt>
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      <TravelGrp>
        <TotalAmt>980304</TotalAmt>
        <ProgramServicesAmt>802942</ProgramServicesAmt>
        <ManagementAndGeneralAmt>36064</ManagementAndGeneralAmt>
        <FundraisingAmt>141298</FundraisingAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>385031</TotalAmt>
        <ProgramServicesAmt>327151</ProgramServicesAmt>
        <ManagementAndGeneralAmt>29606</ManagementAndGeneralAmt>
        <FundraisingAmt>28274</FundraisingAmt>
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      <InterestGrp>
        <TotalAmt>685</TotalAmt>
        <ManagementAndGeneralAmt>685</ManagementAndGeneralAmt>
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      <DepreciationDepletionGrp>
        <TotalAmt>251506</TotalAmt>
        <ProgramServicesAmt>36695</ProgramServicesAmt>
        <ManagementAndGeneralAmt>118186</ManagementAndGeneralAmt>
        <FundraisingAmt>96625</FundraisingAmt>
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      <InsuranceGrp>
        <TotalAmt>48755</TotalAmt>
        <ProgramServicesAmt>36575</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7393</ManagementAndGeneralAmt>
        <FundraisingAmt>4787</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>OTHER</Desc>
        <TotalAmt>392484</TotalAmt>
        <ProgramServicesAmt>318318</ProgramServicesAmt>
        <ManagementAndGeneralAmt>33072</ManagementAndGeneralAmt>
        <FundraisingAmt>41094</FundraisingAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>16319597</TotalAmt>
        <ProgramServicesAmt>12254077</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2507363</ManagementAndGeneralAmt>
        <FundraisingAmt>1558157</FundraisingAmt>
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      <CashNonInterestBearingGrp>
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        <EOYAmt>3411</EOYAmt>
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        <EOYAmt>3104466</EOYAmt>
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      <PledgesAndGrantsReceivableGrp>
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        <EOYAmt>373214</EOYAmt>
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      <AccountsReceivableGrp>
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        <EOYAmt>19200</EOYAmt>
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        <EOYAmt>24169</EOYAmt>
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        <EOYAmt>1396560</EOYAmt>
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        <EOYAmt>35360502</EOYAmt>
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        <EOYAmt>0</EOYAmt>
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        <EOYAmt>40281522</EOYAmt>
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        <EOYAmt>3001194</EOYAmt>
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        <EOYAmt>1033088</EOYAmt>
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        <EOYAmt>4034282</EOYAmt>
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        <EOYAmt>31901961</EOYAmt>
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      <TemporarilyRstrNetAssetsGrp>
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        <EOYAmt>4345279</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>40479446</BOYAmt>
        <EOYAmt>36247240</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>44242772</BOYAmt>
        <EOYAmt>40281522</EOYAmt>
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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>1258623</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-5480829</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>-10000</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
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      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>11305549</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>18036772</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>7209307</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>17948431</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>15317272</CurrentTaxYearAmt>
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      <TotalCalendarYear170Grp>
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        <CurrentTaxYearMinus3YearsAmt>18036772</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>7209307</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>17948431</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>15317272</CurrentTaxYearAmt>
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        <InvestmentEarningsOrLossesAmt>4025670</InvestmentEarningsOrLossesAmt>
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        <EndYearBalanceAmt>30285409</EndYearBalanceAmt>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueNotReportedAmt>-5480829</RevenueNotReportedAmt>
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        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INSTITUTE HAS NO UNCERTAIN TAX POSITIONS THAT QUALIFY FOR EITHER RECOGNITION OR DISCLOSURE IN THE FINANCIAL STATEMENTS. NO INTEREST AND PENALTIES HAVE BEEN RECORDED IN THE ACCOMPANYING FINANCIAL STATEMENTS RELATED TO UNCERTAIN TAX POSITIONS.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      <EmailSolicitationsInd>X</EmailSolicitationsInd>
      <PhoneSolicitationsInd>X</PhoneSolicitationsInd>
      <InPersonSolicitationsInd>X</InPersonSolicitationsInd>
      <SolicitationOfNonGovtGrantsInd>X</SolicitationOfNonGovtGrantsInd>
      <SolicitationOfGovtGrantsInd>X</SolicitationOfGovtGrantsInd>
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      <AgrmtProfFundraisingActyInd>1</AgrmtProfFundraisingActyInd>
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          <BusinessNameLine1Txt>AMERICAN PHILANTHROPIC</BusinessNameLine1Txt>
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          <CityNm>WEST CHESTER</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19380</ZIPCd>
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      <LicensedStatesCd>AR</LicensedStatesCd>
      <LicensedStatesCd>CA</LicensedStatesCd>
      <LicensedStatesCd>CO</LicensedStatesCd>
      <LicensedStatesCd>CT</LicensedStatesCd>
      <LicensedStatesCd>DC</LicensedStatesCd>
      <LicensedStatesCd>FL</LicensedStatesCd>
      <LicensedStatesCd>GA</LicensedStatesCd>
      <LicensedStatesCd>IL</LicensedStatesCd>
      <LicensedStatesCd>KS</LicensedStatesCd>
      <LicensedStatesCd>KY</LicensedStatesCd>
      <LicensedStatesCd>MD</LicensedStatesCd>
      <LicensedStatesCd>MA</LicensedStatesCd>
      <LicensedStatesCd>MI</LicensedStatesCd>
      <LicensedStatesCd>MN</LicensedStatesCd>
      <LicensedStatesCd>MS</LicensedStatesCd>
      <LicensedStatesCd>NV</LicensedStatesCd>
      <LicensedStatesCd>NH</LicensedStatesCd>
      <LicensedStatesCd>NJ</LicensedStatesCd>
      <LicensedStatesCd>NM</LicensedStatesCd>
      <LicensedStatesCd>NC</LicensedStatesCd>
      <LicensedStatesCd>NY</LicensedStatesCd>
      <LicensedStatesCd>OH</LicensedStatesCd>
      <LicensedStatesCd>OK</LicensedStatesCd>
      <LicensedStatesCd>OR</LicensedStatesCd>
      <LicensedStatesCd>PA</LicensedStatesCd>
      <LicensedStatesCd>SC</LicensedStatesCd>
      <LicensedStatesCd>TN</LicensedStatesCd>
      <LicensedStatesCd>UT</LicensedStatesCd>
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      <LicensedStatesCd>WA</LicensedStatesCd>
      <LicensedStatesCd>WI</LicensedStatesCd>
      <LicensedStatesCd>WV</LicensedStatesCd>
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      <LicensedStatesCd>HI</LicensedStatesCd>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>19871</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>24047</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>301089</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ERIC BROWN</PersonNm>
        <TitleTxt>SENIOR FELLOW</TitleTxt>
        <BaseCompensationFilingOrgAmt>206896</BaseCompensationFilingOrgAmt>
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        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>243364</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ARTHUR HERMAN</PersonNm>
        <TitleTxt>SENIOR FELLOW</TitleTxt>
        <BaseCompensationFilingOrgAmt>211551</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <TotalCompensationFilingOrgAmt>241393</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>HILLEL FRADKIN</PersonNm>
        <TitleTxt>SENIOR FELLOW</TitleTxt>
        <BaseCompensationFilingOrgAmt>217165</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>18000</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>25944</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>261109</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION COMMITTEE OF THE BOARD DETERMINES THE AMOUNTS OF THE BONUSES GIVEN EACH YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>21</ContributionCnt>
        <NoncashContributionsRptF990Amt>586436</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>STOCK QUOTE</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>0</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>1</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 32B:</FormAndLineReferenceDesc>
        <ExplanationTxt>WELLS FARGO AND MORGAN STANLEY SELL NON-CASH CONTRIBUTIONS OF PUBLICLY TRADED STOCK FOR HUDSON.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>SARAH MAY STERN AND WALTER STERN HAVE A FAMILY RELATIONSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED IN DETAIL BY THE AUDIT AND RISK COMMITTEE, THE PRESIDENT, COO, AND DIRECTOR OF FINANCE, AND IT IS ALSO PROVIDED TO THE FULL BOARD BEFORE FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CONFLICT OF INTEREST POLICY COVERS ALL MEMBERS OF THE BOARD AND ALL OFFICERS. COMPLIANCE WITH THE POLICY IS MONITORED BY THE CORPORATE SECRETARY WHO MAINTAINS THE DISCLOSURE FORMS. EACH YEAR, TRUSTEES AND CORPORATE OFFICERS ARE REQUIRED TO FILL OUT ANNUAL DISCLOSURE FORMS THAT ARE DESIGNED TO ELICIT POTENTIAL CONFLICTS OF INTEREST THAT MAY ARISE THROUGH DEALINGS OR RELATIONSHIPS WITH STAFF MEMBERS, TRUSTEES OR INSTITUTE VENDORS. THESE DISCLOSURES ARE REVIEWED BY THE CORPORATE SECRETARY, THE INSTITUTE PRESIDENT AND THE CHAIRMAN OF THE BOARD. THE BOARD CHAIRMAN REVIEWS EACH TRANSACTION TO COME BEFORE THE BOARD FOR POTENTIAL OR ACTUAL CONFLICTS OF INTEREST. BOARD MEMBERS ARE ASKED TO RECUSE THEMSELVES FROM ANY VOTES THAT MAY ENTAIL A CONFLICT OF INTEREST. ANY IDENTIFIED CONFLICTS OF INTEREST AND APPROPRIATE RECUSALS ARE DOCUMENTED IN THE MINUTES OF EACH BOARD OR COMMITTEE MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS FOR DETERMINING COMPENSATION OF ALL OFFICERS AND KEY EMPLOYEES INCLUDES A REVIEW AND APPROVAL BY INDEPENDENT MEMBERS OF THE COMPENSATION COMMITTEE. COMPARABILITY DATA USED IN THE REVIEW PROCESS IS OBTAINED FROM THE FORM 990 OF OTHER ORGANIZATIONS. THE DELIBERATIONS AND DECISIONS ARE DOCUMENTED IN THE MINUTES OF THE BOARD. THE COMPENSATION DETERMINATION PROCESS IS PERFORMED ON AN ANNUAL BASIS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSULTANTS/SUBCONTRACTORS: PROGRAM SERVICE EXPENSES 2,812,270. MANAGEMENT AND GENERAL EXPENSES 73,568. FUNDRAISING EXPENSES 8,622. TOTAL EXPENSES 2,894,460.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>UNCOLLECTIBLE PRIOR YEAR PLEDGES -10,000.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART XII LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS HAS NOT CHANGED.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043500001">
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>HUDSON ANALYTICAL SERVICES INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1201 PENNSYLVANIA AVE NW NO400</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20004</ZIPCd>
        </USAddress>
        <EIN>351645201</EIN>
        <PrimaryActivitiesTxt>RESEARCH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
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</Return>