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        <CurrentTaxYearAmt>12917</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus3YearsAmt>2435507</CurrentTaxYearMinus3YearsAmt>
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        <CurrentTaxYearMinus1YearAmt>3843847</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>4321399</CurrentTaxYearAmt>
        <TotalAmt>17136333</TotalAmt>
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      <PublicSupportCY509Pct>0.97400</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.98010</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00870</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00700</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
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      <ContributorInformationGrp>
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        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
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        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
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      <Form4720FiledInd>false</Form4720FiledInd>
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        <CurrentYearMinus2Amt>283413</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>336584</CurrentYearMinus1Amt>
        <CurrentYearAmt>361270</CurrentYearAmt>
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      <LobbyingCeilingAmt>1870925</LobbyingCeilingAmt>
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        <CurrentYearMinus1Amt>84146</CurrentYearMinus1Amt>
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    <IRS990ScheduleD documentId="IRS990ScheduleD" softwareId="23017517" softwareVersionNum="2023v5.1">
      <EquipmentGrp>
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        <DepreciationAmt>912207</DepreciationAmt>
        <BookValueAmt>276616</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>276616</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>4610504</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>158985</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>9334</OtherRevenueAmt>
      <RevenueNotReportedAmt>168319</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>4442185</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>4442185</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>4234730</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>9334</OtherExpensesIncludedAmt>
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      <ExpensesSubtotalAmt>4225396</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>4225396</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X : FIN48 Footnote</FormAndLineReferenceDesc>
        <ExplanationTxt>The Internal Revenue Service and the California Franchise Tax Board have determined that the Organization is exempt from federal and state income taxes under IRC 501(c)(3) and California RTC 23701(d). The Organization has evaluated its current tax positions as of December 31, 2023 and is not aware of any significant uncertain tax positions for which a reserve would be necessary. The Organizations tax returns are generally subject to examination by federal and state taxing authorities for three and four years, respectively, after they are filed.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d: Other revenue amounts included in F/S but not included on form 990</FormAndLineReferenceDesc>
        <ExplanationTxt>Cost of Goods Sold $9334</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d: Other expenses and losses per audited F/S</FormAndLineReferenceDesc>
        <ExplanationTxt>Cost of Goods Sold $9334</ExplanationTxt>
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      <SubstantiationRequiredInd>false</SubstantiationRequiredInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>true</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
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        <PersonNm>Loren Rodgers</PersonNm>
        <TitleTxt>Executive Dir.</TitleTxt>
        <BaseCompensationFilingOrgAmt>127976</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>21272</BonusFilingOrganizationAmount>
        <DeferredCompensationFlngOrgAmt>5197</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>8453</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>162898</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Nancy Wiefek</PersonNm>
        <TitleTxt>Research Director</TitleTxt>
        <BaseCompensationFilingOrgAmt>125746</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>21272</BonusFilingOrganizationAmount>
        <DeferredCompensationFlngOrgAmt>4411</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>11011</NontaxableBenefitsFilingOrgAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>The board delegated the authority to make some specific decisions to the executive committee. Those decisions include the authority to approve changes to the compensation system. The board also delegated the authority to select the organization's auditor and to decide whether to approve the auditor's report to the board's audit committee.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Upon payment of fees, an individual or company receives standard membership status. Academic Membership (discounted fees) and Service Provider Directory Membership (additional benefits) are also available.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The draft 990 is emailed to the full board with instructions to provide comments/feedback within one week.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Board members submit a conflict of interest form no less often than every other year or whenever there is a material change. The executive director reviews those forms and would notify the board's executive committee of any potential conflicts.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>The chair or vice chair conducts a review of the executive director that includes feedback from all members of staff. The vice chair and the executive committee perform the review of the executive director, including a decision about his or her continued employment and the terms of that employment.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15b</FormAndLineReferenceDesc>
        <ExplanationTxt>The executive committee reviews compensation for all staff, including a comparison to market compensation for comparable positions, prepared by the treasurer.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Available electronically upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX Statement of Functional Expense</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization is committed to minimal fundraising expense. Funds are generally raised through passive activities such as member or community initiated donations/grants.</ExplanationTxt>
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</Return>