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        <BusinessNameLine1Txt>QCS INC</BusinessNameLine1Txt>
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        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94551</ZIPCd>
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      </BusinessName>
      <BusinessNameControlTxt>MUNI</BusinessNameControlTxt>
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        <ZIPCd>94596</ZIPCd>
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      <PreparerPersonNm>John Durden ATP-SRTP</PreparerPersonNm>
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      <PreparationDt>2024-10-14</PreparationDt>
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    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
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      <NetAssetsOrFundBalancesEOYAmt>8531</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
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        <EOYAmt>0</EOYAmt>
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        <EOYAmt>8531</EOYAmt>
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        <EOYAmt>0</EOYAmt>
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        <EOYAmt>8531</EOYAmt>
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      <PrimaryExemptPurposeTxt>To provide an avenue for muni bond proff</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>The Municpal Bond Club of San Francisco is a social club for buyers, salers and trading professionals of municipal bonds.</DescriptionProgramSrvcAccomTxt>
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        <TitleTxt>Secretary</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
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      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
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        <PersonNm>Nancy Mullally</PersonNm>
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          <AddressLine1Txt>PO Box 5586</AddressLine1Txt>
          <CityNm>Walnut Creek</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
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      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
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    <IRS990ScheduleO documentId="990O">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other expenses Part I line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Description AmountBank service charge 25Event expense miscellaneous 2,049Paypal merchant charge 442Pebble Beach outing 29,536Postage 282Taxes 243Web service 75</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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