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    <ReturnTs>2022-09-01T15:25:03Z</ReturnTs>
    <TaxPeriodEndDt>2021-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>431871840</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Block Advisors</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>1475 41ST AVE STE B</AddressLine1Txt>
        <CityNm>CAPITOLA</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>95010</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2021-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>271792148</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>CORTEZ A MURDOCK FOUNDATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>CORT</BusinessNameControlTxt>
      <PhoneNum>3102713235</PhoneNum>
      <USAddress>
        <AddressLine1Txt>216 E MT HERMON NBR 373</AddressLine1Txt>
        <CityNm>Scotts Valley</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>95066</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>GARY OLERICH</PersonNm>
      <PersonTitleTxt>TRUSTEE</PersonTitleTxt>
      <PhoneNum>3102713235</PhoneNum>
      <SignatureDt>2022-06-29</SignatureDt>
      <DiscussWithPaidPreparerInd>false</DiscussWithPaidPreparerInd>
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    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>GARY</PersonFirstNm>
        <PersonLastNm>OLERICH</PersonLastNm>
      </PersonFullName>
      <SSN>XXX-XX-XXXX</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>James Register</PreparerPersonNm>
      <PTIN>P00091089</PTIN>
      <PhoneNum>8314621685</PhoneNum>
      <PreparationDt>2022-09-01</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2021</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
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    <IRS990PF documentId="6">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>1047634</FMVAssetsEOYAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AnalysisOfRevenueAndExpenses>
        <ContriRcvdRevAndExpnssAmt>2000</ContriRcvdRevAndExpnssAmt>
        <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
        <InterestOnSavRevAndExpnssAmt>733</InterestOnSavRevAndExpnssAmt>
        <InterestOnSavNetInvstIncmAmt>733</InterestOnSavNetInvstIncmAmt>
        <DividendsRevAndExpnssAmt>11110</DividendsRevAndExpnssAmt>
        <DividendsNetInvstIncmAmt>11110</DividendsNetInvstIncmAmt>
        <OtherIncomeRevAndExpnssAmt referenceDocumentId="1">82</OtherIncomeRevAndExpnssAmt>
        <OtherIncomeNetInvstIncmAmt>82</OtherIncomeNetInvstIncmAmt>
        <TotalRevAndExpnssAmt>13925</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>11925</TotalNetInvstIncmAmt>
        <CompOfcrDirTrstRevAndExpnssAmt>4200</CompOfcrDirTrstRevAndExpnssAmt>
        <CompOfcrDirTrstNetInvstIncmAmt>1260</CompOfcrDirTrstNetInvstIncmAmt>
        <CompOfcrDirTrstDsbrsChrtblAmt>2940</CompOfcrDirTrstDsbrsChrtblAmt>
        <AccountingFeesRevAndExpnssAmt referenceDocumentId="2">3050</AccountingFeesRevAndExpnssAmt>
        <AccountingFeesChrtblPrpsAmt>3050</AccountingFeesChrtblPrpsAmt>
        <TaxesRevAndExpnssAmt referenceDocumentId="3">539</TaxesRevAndExpnssAmt>
        <TaxesNetInvstIncmAmt>129</TaxesNetInvstIncmAmt>
        <TaxesDsbrsChrtblAmt>410</TaxesDsbrsChrtblAmt>
        <OtherExpensesRevAndExpnssAmt referenceDocumentId="4">584</OtherExpensesRevAndExpnssAmt>
        <OtherExpensesNetInvstIncmAmt>90</OtherExpensesNetInvstIncmAmt>
        <OtherExpensesDsbrsChrtblAmt>494</OtherExpensesDsbrsChrtblAmt>
        <TotOprExpensesRevAndExpnssAmt>8373</TotOprExpensesRevAndExpnssAmt>
        <TotOprExpensesNetInvstIncmAmt>1479</TotOprExpensesNetInvstIncmAmt>
        <TotOprExpensesDsbrsChrtblAmt>6894</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>36000</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>36000</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>44373</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>1479</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>42894</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>-30448</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>10446</NetInvestmentIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <CashBOYAmt>232545</CashBOYAmt>
        <CashEOYAmt>195180</CashEOYAmt>
        <CashEOYFMVAmt>195180</CashEOYFMVAmt>
        <CorporateStockBOYAmt>236219</CorporateStockBOYAmt>
        <CorporateStockEOYAmt referenceDocumentId="5">243138</CorporateStockEOYAmt>
        <CorporateStockEOYFMVAmt>852454</CorporateStockEOYFMVAmt>
        <TotalAssetsBOYAmt>468764</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>438318</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>1047634</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
        <CapitalStockBOYAmt>468764</CapitalStockBOYAmt>
        <CapitalStockEOYAmt>438318</CapitalStockEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>468764</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>438318</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>468764</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>438318</TotalLiabilitiesNetAstEOYAmt>
      </Form990PFBalanceSheetsGrp>
      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>468764</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>-30448</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>438316</SubtotalAmt>
        <TotNetAstOrFundBalancesEOYAmt>438316</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>145</InvestmentIncomeExciseTaxAmt>
        <SubtotalAmt>145</SubtotalAmt>
        <TaxBasedOnInvestmentIncomeAmt>145</TaxBasedOnInvestmentIncomeAmt>
        <EstimatedPlusOvpmtIncmTxAmt>150</EstimatedPlusOvpmtIncmTxAmt>
        <TotalPaymentsAndCreditsAmt>150</TotalPaymentsAndCreditsAmt>
        <OverpaymentAmt>5</OverpaymentAmt>
        <AppliedToESTaxAmt>5</AppliedToESTaxAmt>
      </ExciseTaxBasedOnInvstIncmGrp>
      <StatementsRegardingActyGrp>
        <LegislativePoliticalActyInd>false</LegislativePoliticalActyInd>
        <MoreThan100SpentInd>false</MoreThan100SpentInd>
        <Form1120POLFiledInd>false</Form1120POLFiledInd>
        <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
        <ChangesToArticlesOrBylawsInd>false</ChangesToArticlesOrBylawsInd>
        <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
        <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
        <Section508eRqrSatisfiedInd>true</Section508eRqrSatisfiedInd>
        <AtLeast5000InAssetsInd>true</AtLeast5000InAssetsInd>
        <OrgReportOrRegisterStateCd>CA</OrgReportOrRegisterStateCd>
        <Form990PFFiledWithAttyGenInd>true</Form990PFFiledWithAttyGenInd>
        <PrivateOperatingFoundationInd>false</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd>false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd>false</OwnControlledEntityInd>
        <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>true</ComplyWithPublicInspRqrInd>
        <WebsiteAddressTxt>NA</WebsiteAddressTxt>
        <IndividualWithBooksNm>GARY OLERICH</IndividualWithBooksNm>
        <PhoneNum>3102713225</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>216 E MOUNT HERMON ROAD NBR 373</AddressLine1Txt>
          <CityNm>Scotts Valley</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>95066</ZIPCd>
        </LocationOfBooksUSAddress>
        <ForeignAccountsQuestionInd>false</ForeignAccountsQuestionInd>
      </StatementsRegardingActyGrp>
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        <SaleOrExchDisqualifiedPrsnInd>false</SaleOrExchDisqualifiedPrsnInd>
        <BrrwOrLendDisqualifiedPrsnInd>false</BrrwOrLendDisqualifiedPrsnInd>
        <FurnGoodsDisqualifiedPrsnInd>false</FurnGoodsDisqualifiedPrsnInd>
        <PayCompDisqualifiedPrsnInd>true</PayCompDisqualifiedPrsnInd>
        <TransferAstDisqualifiedPrsnInd>false</TransferAstDisqualifiedPrsnInd>
        <PaymentToGovernmentOfficialInd>false</PaymentToGovernmentOfficialInd>
        <ActsFailToQlfyAsExceptionsInd>false</ActsFailToQlfyAsExceptionsInd>
        <UncorrectedPriorActsInd>false</UncorrectedPriorActsInd>
        <UndistributedIncomePYInd>false</UndistributedIncomePYInd>
        <BusinessHoldingsInd>false</BusinessHoldingsInd>
        <ExcessBusinessHoldingsInd>false</ExcessBusinessHoldingsInd>
        <JeopardyInvestmentsInd>false</JeopardyInvestmentsInd>
        <UncorrectedPYJeopardyInvstInd>false</UncorrectedPYJeopardyInvstInd>
        <InfluenceLegislationInd>false</InfluenceLegislationInd>
        <InfluenceElectionInd>false</InfluenceElectionInd>
        <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
        <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
        <NoncharitablePurposeInd>false</NoncharitablePurposeInd>
        <TransactionsFailToQlfyAsExcInd>false</TransactionsFailToQlfyAsExcInd>
        <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
        <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
        <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      </StatementsRegardingActy4720Grp>
      <OfficerDirTrstKeyEmplInfoGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>GARY OLERICH</PersonNm>
          <USAddress>
            <AddressLine1Txt>216 E MOUNT HERMON ROAD NBR 373</AddressLine1Txt>
            <CityNm>Scotts Valley</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>95066</ZIPCd>
          </USAddress>
          <TitleTxt>TRUSTEE</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>4200</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompOfHghstPdCntrctOrNONETxt>NONE</CompOfHghstPdCntrctOrNONETxt>
      </OfficerDirTrstKeyEmplInfoGrp>
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>757443</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>233129</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>0</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>990572</TotalFMVOfUnusedAssetsAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>990572</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>14859</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>975713</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>48786</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <MinimumInvestmentReturnAmt>48786</MinimumInvestmentReturnAmt>
        <TaxBasedOnInvestmentIncomeAmt>145</TaxBasedOnInvestmentIncomeAmt>
        <TotalTaxAmt>145</TotalTaxAmt>
        <DistributableBeforeAdjAmt>48641</DistributableBeforeAdjAmt>
        <DistributableBeforeDedAmt>48641</DistributableBeforeDedAmt>
        <DistributableAsAdjustedAmt>48641</DistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>42894</ExpensesAndContributionsAmt>
        <QualifyingDistributionsAmt>42894</QualifyingDistributionsAmt>
      </PFQualifyingDistributionsGrp>
      <UndistributedIncomeGrp>
        <DistributableAsAdjustedAmt>48641</DistributableAsAdjustedAmt>
        <UndistributedIncomePYAmt>32715</UndistributedIncomePYAmt>
        <QualifyingDistributionsAmt>42894</QualifyingDistributionsAmt>
        <AppliedToYear1Amt>32715</AppliedToYear1Amt>
        <AppliedToCurrentYearAmt>10179</AppliedToCurrentYearAmt>
        <UndistributedIncomeCYAmt>38462</UndistributedIncomeCYAmt>
      </UndistributedIncomeGrp>
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        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>CSUN FOUNDATION CAM</BusinessNameLine1Txt>
            <BusinessNameLine2Txt>SCHOLARSHIP FUND</BusinessNameLine2Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>18111 NORDOFF STREET</AddressLine1Txt>
            <CityNm>NORTHRIDGE</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91330</ZIPCd>
          </RecipientUSAddress>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>SCHOLARSHIPS FOR LOW INCOME STUDENTS</GrantOrContributionPurposeTxt>
          <Amt>24000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>JEANNETTE RANKIN WOMENS</BusinessNameLine1Txt>
            <BusinessNameLine2Txt>SCHOLARSHIP FUND</BusinessNameLine2Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>1 HUNTINGTON RD STE 701 A</AddressLine1Txt>
            <CityNm>ATHENS</CityNm>
            <StateAbbreviationCd>GA</StateAbbreviationCd>
            <ZIPCd>30606</ZIPCd>
          </RecipientUSAddress>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>SCHOLARSHIPS FOR LOW INCOME STUDENTS</GrantOrContributionPurposeTxt>
          <Amt>12000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>36000</TotalGrantOrContriPdDurYrAmt>
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        <IntOnSavAndTempCashInvstGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>733</ExclusionAmt>
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        <DividendsAndInterestFromSecDtl>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>11110</ExclusionAmt>
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        <SubtotalsIncmProducingActyGrp>
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        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>11925</TotalIncomeProducingActyAmt>
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        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
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        <CategoryTxt>ACCOUNTING</CategoryTxt>
        <Amt>3050</Amt>
        <DisbursementsCharitablePrpsAmt>3050</DisbursementsCharitablePrpsAmt>
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    </AccountingFeesSchedule>
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        <StockNm>VANGUARD S&amp;P 500 FUND</StockNm>
        <EOYBookValueAmt>93357</EOYBookValueAmt>
        <EOYFMVAmt>349910</EOYFMVAmt>
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      <InvestmentsCorporateStockGrp>
        <StockNm>FIDELITY TOTAL MARKET INDEX FUND</StockNm>
        <EOYBookValueAmt>149781</EOYBookValueAmt>
        <EOYFMVAmt>502544</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
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        <RevenueAndExpensesPerBooksAmt>494</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>494</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>BANK FEES</Desc>
        <RevenueAndExpensesPerBooksAmt>90</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>90</NetInvestmentIncomeAmt>
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        <Desc>ADJ FOR DEPOSITS IN DIFFERENT YEAR THAN RECEIVED</Desc>
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        <NetInvestmentIncomeAmt>7</NetInvestmentIncomeAmt>
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      <OtherIncomeDetail>
        <Desc>ADJ FOR CD INTEREST REALIZED EXCEEDING PREVIOUS 1099</Desc>
        <RevenueAndExpensesPerBooksAmt>75</RevenueAndExpensesPerBooksAmt>
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        <DisbursementsCharitablePrpsAmt>150</DisbursementsCharitablePrpsAmt>
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      <TaxesDetail>
        <CategoryTxt>PAYROLL TAX</CategoryTxt>
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        <NetInvestmentIncomeAmt>129</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>260</DisbursementsCharitablePrpsAmt>
      </TaxesDetail>
    </TaxesSchedule>
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</Return>
