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        <PersonNm>PAMELA OLSON</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SARAH MCGILL</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>TOM ROESSER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL D BUNN</PersonNm>
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        <OfficerInd>X</OfficerInd>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SCOTT HODGE PRESIDENT</PersonNm>
        <TitleTxt>EMERITUS &amp; SENIOR POLICY ADVISOR</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOSH JAYE SENIOR</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM MCBRIDE</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>COLBY PASTRE</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL RESSEGUE</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JARED M WALCZAK</PersonNm>
        <TitleTxt>VP OF STATE PROJECTS</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <TotalOtherCompensationAmt>122053</TotalOtherCompensationAmt>
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      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
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          <BusinessName>
            <BusinessNameLine1Txt>FIONTA</BusinessNameLine1Txt>
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          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>EVENTEQ</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MVP PRESS LLC</BusinessNameLine1Txt>
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          <USAddress>
            <AddressLine1Txt>43720 TRADE CENTER PLACE SUITE 135</AddressLine1Txt>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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          <USAddress>
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            <StateAbbreviationCd>DC</StateAbbreviationCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>HAN GROUP</BusinessNameLine1Txt>
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          <USAddress>
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      <InvestmentIncomeGrp>
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        <ExclusionAmt>139175</ExclusionAmt>
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      <NetIncmFromFundraisingEvtGrp>
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        <ExclusionAmt>-347817</ExclusionAmt>
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        <BusinessCd>900099</BusinessCd>
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        <ExclusionAmt>12630</ExclusionAmt>
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      <TotalRevenueGrp>
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        <ProgramServicesAmt>9327</ProgramServicesAmt>
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        <FundraisingAmt>2025</FundraisingAmt>
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        <ProgramServicesAmt>284768</ProgramServicesAmt>
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        <ProgramServicesAmt>112645</ProgramServicesAmt>
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        <FundraisingAmt>45600</FundraisingAmt>
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        <ProgramServicesAmt>117354</ProgramServicesAmt>
        <ManagementAndGeneralAmt>14272</ManagementAndGeneralAmt>
        <FundraisingAmt>26959</FundraisingAmt>
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        <ManagementAndGeneralAmt>5958</ManagementAndGeneralAmt>
        <FundraisingAmt>3465</FundraisingAmt>
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        <ProgramServicesAmt>134859</ProgramServicesAmt>
        <ManagementAndGeneralAmt>157983</ManagementAndGeneralAmt>
        <FundraisingAmt>56813</FundraisingAmt>
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      <OtherExpensesGrp>
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        <FundraisingAmt>20480</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>IN KIND EXPENSES</Desc>
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        <FundraisingAmt>25533</FundraisingAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>14497</ProgramServicesAmt>
        <ManagementAndGeneralAmt>969</ManagementAndGeneralAmt>
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      <AllOtherExpensesGrp>
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        <ProgramServicesAmt>13644</ProgramServicesAmt>
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      <TotalFunctionalExpensesGrp>
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        <ProgramServicesAmt>5115582</ProgramServicesAmt>
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        <EOYAmt>1356485</EOYAmt>
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        <EOYAmt>168333</EOYAmt>
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        <EOYAmt>1487075</EOYAmt>
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        <EOYAmt>598802</EOYAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JARED M WALCZAK</PersonNm>
        <TitleTxt>VP OF STATE PROJECTS</TitleTxt>
        <BaseCompensationFilingOrgAmt>146200</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>5000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>7607</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>5990</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>164797</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TAX FOUNDATION PARTICIPATES IN THE ANNUAL THINK TANK COMPENSATION SURVEY WHICH COLLECTS COMPENSATION AND BENEFITS DATA RELEVANT TO THINK TANKS AND OTHER RESEARCH ORGANIZATIONS IN THE UNITED STATES THAT CONDUCT RESEARCH IN THE PUBLIC POLICY, FOREIGN POLICY, AND INTERNATIONAL RELATIONS ARENAS. THE BOARD OF DIRECTORS UTILIZES ITS EXPERIENCE AND EXPERTISE IN CONJUNCTION WITH THE SURVEY RESULTS IN DETERMINING THE APPROPRIATE SALARY LEVEL ANNUALLY. THE CHAIRPERSON OF THE BOARD OF DIRECTORS COMMUNICATES IN WRITING THE SALARY APPROVED BY THE BOARD TO THE APPROPRIATE ACCOUNTING AND HUMAN RESOURCES PERSONNEL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TAX FOUNDATION AWARDED PERFORMANCE BASED BONUSES TO SEVERAL EMPLOYEES, INCLUDING MOST OF THE HIGHEST COMPENSATED EMPLOYEES LISTED ON FORM 990, PART VII. THESE BONUSES ARE INCLUDED IN THE AMOUNTS REPORTED ON FORM 990, PART VII, SECTION A, COLUMN D - REPORTABLE COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>3</ContributionCnt>
        <NoncashContributionsRptF990Amt>34115</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <FoodInventoryGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>6</ContributionCnt>
        <NoncashContributionsRptF990Amt>25533</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </FoodInventoryGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>0</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 30B:</FormAndLineReferenceDesc>
        <ExplanationTxt>TAX FOUNDATION REPORTS THE NUMBER OF CONTRIBUTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>IN MAY OF 2023, A RESOLUTION WAS MADE BY THE TAX FOUNDATION BOARD OF DIRECTORS TO AMEND THE BYLAWS AS FOLLOWS: 1. CHANGING THE NOMENCLATURE OF "PRESIDENT" TO "PRESIDENT &amp; CHIEF EXECUTIVE OFFICER" 2. IN ARTICLE 2, SECTION 7(A), AMEND "ANNUAL MEETING" TO "BIANNUAL MEETINGS" 3. ADD ADDITIONAL ARTICLE TO ADHERE TO GOVERNING POLICY NUMBER 3-8(A). ARTICLE TO BE TITLED ALTERATION OF DONOR INTENT." ARTICLE TO STATE "A VOTE OF 75 PERCENT OF THE BOARD OF DIRECTORS IS REQUIRED TO MAKE ANY CHANGES IN PROVISIONS FOR HONORING DONOR INTENT."</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FEDERAL FORM 990 IS REVIEWED BY THE ACCOUNTING PERSONNEL AND THE PRESIDENT OF THE TAX FOUNDATION BEFORE BEING SIGNED BY THE PRESIDENT. A COPY OF THE 990 IS PROVIDED TO ALL MEMBERS OF THE BOARD OF DIRECTORS ELECTRONICALLY PRIOR TO BEING FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>AS A GENERAL POLICY MATTER THE TAX FOUNDATION DOES NOT PERMIT MEMBERS OF THE BOARD OF DIRECTORS TO ENTER INTO FINANCIAL ARRANGEMENTS, PROVIDE SERVICES, OR OTHERWISE BE COMPENSATED IN ANY MANNER, INCLUDING ANY COMPANY WITH WHICH SUCH BOARD MEMBER MAY BE ASSOCIATED. BIANNUALLY, ALL OFFICERS AND MEMBERS OF THE BOARD OF DIRECTORS MUST REVIEW AND SIGN A CONFLICT OF INTEREST POLICY STATEMENT. THE MONITORING OF COMPLIANCE IS HANDLED INFORMALLY AT REGULARLY SCHEDULED BOARD MEETINGS. FOR EMPLOYEES, THE CONFLICT OF INTEREST POLICY IS CONTAINED WITHIN THEIR EMPLOYEE MANUAL. THEY SIGN THE MANUAL WHEN THEY ARE HIRED OR WHEN CHANGES ARE MADE TO THE MANUAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TAX FOUNDATION PARTICIPATES IN THE ANNUAL THINK TANK COMPENSATION SURVEY WHICH COLLECTS COMPENSATION AND BENEFITS DATA RELEVANT TO THINK TANKS AND OTHER RESEARCH ORGANIZATIONS IN THE UNITED STATES THAT CONDUCT RESEARCH IN THE PUBLIC POLICY, FOREIGN POLICY, AND INTERNATIONAL RELATIONS ARENAS. THE BOARD OF DIRECTORS UTILIZES ITS EXPERIENCE AND EXPERTISE IN CONJUNCTION WITH THE SURVEY RESULTS IN DETERMINING THE APPROPRIATE SALARY LEVEL ANNUALLY FOR THE PRESIDENT. THE LAST TIME THIS WAS DONE WAS IN NOVEMBER 2023. THE CHAIRPERSON OF THE BOARD OF DIRECTORS COMMUNICATES IN WRITING THE SALARY APPROVED BY THE BOARD TO THE APPROPRIATE ACCOUNTING AND HUMAN RESOURCES PERSONNEL IN DETERMINING THE APPROPRIATE SALARY LEVEL FOR THE PRESIDENT AND ALL STAFF MEMBERS. THE ORGANIZATION CURRENTLY HAS NO OTHER PAID OFFICERS OR STAFF MEMBERS CLASSIFIED AS "KEY EMPLOYEES" AS DEFINED BY THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION PROVIDES GOVERNING DOCUMENTS, THE FEDERAL FORM 990 AND APPLICATION FOR EXEMPTION (FEDERAL FORM 1023) TO INTERESTED PARTIES UPON REQUEST. COPIES OF THE AUDITED FINANCIAL STATEMENTS AND FORM 990 ARE AVAILABLE ON THE WEBSITE. THE ORGANIZATION HAS NOT BEEN ASKED TO AND CURRENTLY DOES NOT HAVE A POLICY OF PROVIDING A COPY OF THE CONFLICT OF INTEREST POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS NOT CHANGED ITS OVERSIGHT PROCESS OR SELECTION OF AN INDEPENDENT AUDITOR PROCESS DURING THE YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>