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        <PersonNm>ETHELMAE C HUMPHREYS</PersonNm>
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        <PersonNm>DAVID H KOCH</PersonNm>
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        <PersonNm>DONALD G SMITH</PersonNm>
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        <PersonNm>ROBERT A LEVY</PersonNm>
        <TitleTxt>Chairman</TitleTxt>
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        <PersonNm>K TUCKER ANDERSEN</PersonNm>
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        <PersonNm>NANCY PFOTENHAUER</PersonNm>
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        <PersonNm>PRESTON MARSHALL</PersonNm>
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        <PersonNm>JOHN A ALLISON</PersonNm>
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        <PersonNm>NESTOR WEIGAND JR</PersonNm>
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        <PersonNm>BARON BOND</PersonNm>
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        <PersonNm>JAMES M KILTS</PersonNm>
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        <PersonNm>JAMES M LAPEYRE JR</PersonNm>
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        <PersonNm>CARL BARNEY</PersonNm>
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        <PersonNm>ROBERT GELFOND</PersonNm>
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        <PersonNm>PETER GOETTLER</PersonNm>
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        <PersonNm>DAVID BOAZ</PersonNm>
        <TitleTxt>EXECUTIVE VICE PRESIDENT</TitleTxt>
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        <PersonNm>Elizabeth Santos</PersonNm>
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        <PersonNm>JON HEIMERMAN</PersonNm>
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        <PersonNm>WILLIAM B LINDSEY</PersonNm>
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        <PersonNm>ROGER PILON</PersonNm>
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        <PersonNm>PATRICK MICHAELS</PersonNm>
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        <PersonNm>David Kirby</PersonNm>
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        <PersonNm>George Selgin</PersonNm>
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        <PersonNm>EDWARD H CRANE</PersonNm>
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        <FormAndLineReferenceDesc>SCHEDULE D, PART V, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>INTENDED USE OF THE ORGANIZATION'S ENDOWMENT FUNDS: TO SUPPORT THE OPERATIONAL COSTS OF CATO'S CONSTITUTIONAL STUDIES and student PROGRAMs THROUGH THE ANNUAL EARNINGS OF THE ENDOWMENT NET ASSETS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PART X, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>FIN 48 FINANCIAL STATEMENT DISCLOSURE: Cato has been granted tax-exempt status as a public charity within the meaning of Section 501(c)(3) of the Internal Revenue Code ("IRC"). Although the organization is generally exempt from income tax, Cato is subject to unrelated business income taxes under Section 512 of the IRC, as well as subject to excise tax on excess lobbying expenses. There was no unrelated business income or excess lobbying expenses for the years ended March 31, 2017 and 2016; therefore, no provision for income tax has been recorded in the financial statements. Cato believes it has appropriate support for any tax position taken and, as such, does not have any uncertain tax positions that are material to the financial statements. Cato recognizes interest expense and penalties related to income taxes on uncertain tax positions in management and general expenses on the statements of activities and change in net assets and accounts payable and accrued expenses in the statements of financial position. No interest expense and penalties related to income taxes on uncertain tax positions were recognized for the years ended March 31, 2017 and 2016. Tax years prior to 2013 are no longer subject to examination by the Internal Revenue Service or the tax jurisdictions of Kansas and the District of Columbia.</ExplanationTxt>
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    <IRS990ScheduleF documentId="IRS990ScheduleF">
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        <EmployeeCnt>3</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>329417</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>South America</RegionTxt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>52734</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>North America</RegionTxt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Grantmaking</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>4500</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalEmployeesCnt>5</SubtotalEmployeesCnt>
      <TotalEmployeeCnt>5</TotalEmployeeCnt>
      <SubtotalSpentAmt>386651</SubtotalSpentAmt>
      <TotalSpentAmt>386651</TotalSpentAmt>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>STIPENDS FOR SENIOR FELLOWS/ADJUNCT SCHOLARS</TypeOfAssistanceTxt>
        <RegionTxt>South America</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>52734</CashGrantAmt>
        <MannerOfCashDisbursementTxt>wire</MannerOfCashDisbursementTxt>
        <DescriptionOfNonCashAsstTxt>N/A</DescriptionOfNonCashAsstTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>STIPENDS FOR SENIOR FELLOWS/ADJUNCT SCHOLARS</TypeOfAssistanceTxt>
        <RegionTxt>Europe (Including Iceland and Greenland)</RegionTxt>
        <RecipientCnt>3</RecipientCnt>
        <CashGrantAmt>75417</CashGrantAmt>
        <MannerOfCashDisbursementTxt>wire</MannerOfCashDisbursementTxt>
        <DescriptionOfNonCashAsstTxt>N/A</DescriptionOfNonCashAsstTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>2016 Friedman Prize Winner</TypeOfAssistanceTxt>
        <RegionTxt>Europe (Including Iceland and Greenland)</RegionTxt>
        <CashGrantAmt>250000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>wire</MannerOfCashDisbursementTxt>
        <DescriptionOfNonCashAsstTxt>N/A</DescriptionOfNonCashAsstTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Libertarianism.org Video Contest winner</TypeOfAssistanceTxt>
        <RegionTxt>Europe (Including Iceland and Greenland)</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>4000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>wire</MannerOfCashDisbursementTxt>
        <DescriptionOfNonCashAsstTxt>N/A</DescriptionOfNonCashAsstTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Stipends for Research, Consulting, &amp; Writing</TypeOfAssistanceTxt>
        <RegionTxt>North America</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>4500</CashGrantAmt>
        <MannerOfCashDisbursementTxt>wire</MannerOfCashDisbursementTxt>
        <DescriptionOfNonCashAsstTxt>N/A</DescriptionOfNonCashAsstTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <TransferToForeignCorpInd>false</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>false</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>false</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>false</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE F, PART I, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>PROGRAMS ARE SUPERVISED BY PROJECT MANAGERS WHO PROVIDE OVERSIGHT, APPROVE PAYMENTS, AND PROVIDE AN ACCOUNTING OF FUNDS SPENT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="IRS990ScheduleI">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Free To Choose Network</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>2002 Filmore Avenue</AddressLine1Txt>
          <CityNm>Erie</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>16506</ZIPCd>
        </USAddress>
        <RecipientEIN>521455677</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>75000</CashGrantAmt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>N/A</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>documentaries</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>STIPENDS FOR SENIOR FELLOWS/ADJUNCT SCHOLARS</GrantTypeTxt>
        <RecipientCnt>6</RecipientCnt>
        <CashGrantAmt>170000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE I, PART I, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCEDURES FOR MONITORING THE USE OF GRANT FUNDS IN THE UNITED STATES PROGRAMS ARE SUPERVISED BY PROJECT MANAGERS WHO PROVIDE OVERSIGHT, APPROVE PAYMENTS, AND PROVIDE AN ACCOUNTING OF FUNDS SPENT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="IRS990ScheduleJ">
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>true</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>EDWARD H CRANE</PersonNm>
        <TitleTxt>FORMER PRESIDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>475000</BaseCompensationFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>475000</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DAVID BOAZ</PersonNm>
        <TitleTxt>EXECUTIVE VICE PRESIDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>288876</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>5000</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>13250</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>8248</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>315374</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JON HEIMERMAN</PersonNm>
        <TitleTxt>VP/Chief Admin. Officer</TitleTxt>
        <BaseCompensationFilingOrgAmt>210254</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>10650</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>15825</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>236729</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PETER GOETTLER</PersonNm>
        <TitleTxt>President</TitleTxt>
        <BaseCompensationFilingOrgAmt>511691</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>1629</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>513320</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>WILLIAM B LINDSEY</PersonNm>
        <TitleTxt>VICE PRESIDENT FOR RESEARCH</TitleTxt>
        <BaseCompensationFilingOrgAmt>212468</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>10438</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>7417</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>230323</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ROGER PILON</PersonNm>
        <TitleTxt>VP, Dir. Of Const. Studies</TitleTxt>
        <BaseCompensationFilingOrgAmt>188253</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>9600</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>15930</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>213783</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PATRICK MICHAELS</PersonNm>
        <TitleTxt>DIR., CTR FOR THE STDY OF SCI.</TitleTxt>
        <BaseCompensationFilingOrgAmt>187326</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>9253</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>8247</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>204826</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>David Kirby</PersonNm>
        <TitleTxt>Vice President for Development</TitleTxt>
        <BaseCompensationFilingOrgAmt>170990</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>25000</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>11475</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>23457</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>230922</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>George Selgin</PersonNm>
        <TitleTxt>DIR., CTR FOR Fin. Alternative</TitleTxt>
        <BaseCompensationFilingOrgAmt>214476</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>10658</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>8248</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>233382</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, Part I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>Non-fixed payments: David Kirby received a performance bonus of $25,000. David Boaz received a length of service bonus of $5,000.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="IRS990ScheduleM">
      <WorksOfArtGrp />
      <ArtHistoricalTreasuresGrp />
      <ArtFractionalInterestGrp />
      <BooksAndPublicationsGrp />
      <ClothingAndHouseholdGoodsGrp />
      <CarsAndOtherVehiclesGrp />
      <BoatsAndPlanesGrp />
      <IntellectualPropertyGrp />
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>78</ContributionCnt>
        <NoncashContributionsRptF990Amt>3493562</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV DATE OF RECEIPT</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <SecuritiesCloselyHeldStockGrp />
      <SecurPrtnrshpTrustIntrstsGrp />
      <SecuritiesMiscellaneousGrp />
      <QualifiedContribHistStructGrp />
      <QualifiedContribOtherGrp />
      <RealEstateResidentialGrp />
      <RealEstateCommercialGrp />
      <RealEstateOtherGrp />
      <CollectiblesGrp />
      <FoodInventoryGrp />
      <DrugsAndMedicalSuppliesGrp />
      <TaxidermyGrp />
      <HistoricalArtifactsGrp />
      <ScientificSpecimensGrp />
      <ArchaeologicalArtifactsGrp />
      <AnyPropertyThatMustBeHeldInd>false</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>true</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>false</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, SECTION A, Line 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS, STOCKHOLDERS OR OTHER PERSONS WHO MAY ELECT THE GOVERNING BODY: MEMBERS OF THE BOARD VOTE TO APPROVE AND REMOVE MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, SECTION A, Line 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>DECISIONS OF THE GOVERNING BODY SUBJECT TO APPROVAL: MEMBERS ELECT THE BOARD OF DIRECTORS AND MAY REMOVE DIRECTORS WITH A MAJORITY VOTE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, SECTION A, Line 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCESS USED TO REVIEW FORM 990: A DRAFT 990 IS PROVIDED TO EACH MEMBER FOR REVIEW AND COMMENT PRIOR TO FINALIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, SECTION B, Line 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>MONITORING AND ENFORCEMENT OF COMPLIANCE WITH CONFLICT OF INTEREST POLICY: CATO REVIEWS CONFLICT OF INTEREST DISCLOSURES. IF A POTENTIAL CONFLICT OF INTEREST ARISES, THE DIRECTOR, OFFICER OR KEY EMPLOYEE WITH THE CONFLICT IS REQUIRED TO CORRECT THE SITUATION OR EITHER STEP DOWN FROM THE BOARD OR FACE TERMINATION FROM EMPLOYMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, SECTION B, Line 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCESS FOR DETERMINING COMPENSATION: INDEPENDENT CONTRACTOR REVIEWS COMPENSATION/BENEFITS. THE BOARD DISCUSSES AND APPROVES EXECUTIVE COMPENSATION/BENEFITS BASED ON RESULTS OF THE INDEPENDENT STUDY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, SECTION C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>HOW THE ORGANIZATION MAKES ORGANIZING DOCUMENTS AVAILABLE TO THE Public: Cato's bylaws, articles of incorporation, and conflict of interest policy are available to anyone who requests them. Further, Cato has always complied, and will continue to comply, with the mandate that form 990 be made publicly available.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 9</FormAndLineReferenceDesc>
        <ExplanationTxt>Other Changes in Net Assets: Gain on Pledge that was previously written-off $7,769</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>