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        <Desc>MONEY MARKEY FUNDS</Desc>
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        <MethodValuationCd>F</MethodValuationCd>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <NetUnrealizedGainsInvstAmt>97471</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>172270</DonatedServicesAndUseFcltsAmt>
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      <RevenueNotReportedAmt>278144</RevenueNotReportedAmt>
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      <OtherRevenuesNotIncludedAmt>143071</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>143071</RevenueNotReportedFinclStmtAmt>
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      <TotExpnsEtcAuditedFinclStmtAmt>3145233</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>172270</DonatedServicesUseFcltsAmt>
      <OtherExpensesIncludedAmt>8403</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>180673</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>2964560</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>143071</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>143071</ExpensesNotRptFinclStmtAmt>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>BYSO ACCOUNTS FOR THE EFFECT OF ANY UNCERTAIN TAX POSITIONS BASED ON A "MORE LIKELY THAN NOT" THRESHOLD TO THE RECOGNITION OF THE TAX POSITIONS BEING SUSTAINED BASED ON THE TECHNICAL MERITS OF THE POSITION UNDER SCRUTINY BY THE APPLICABLE TAXING AUTHORITY. IF A TAX POSITION OR POSITIONS ARE DEEMED TO RESULT IN UNCERTAINTIES OF THOSE POSITIONS, THE UNRECOGNIZED TAX BENEFIT IS ESTIMATED BASED ON A "CUMULATIVE PROBABILITY ASSESSMENT" THAT AGGREGATES THE ESTIMATED TAX LIABILITY FOR ALL UNCERTAIN TAX POSITIONS. BYSO HAS IDENTIFIED ITS TAX STATUS AS A TAX-EXEMPT ENTITY AS A TAX POSITION; HOWEVER, BYSO HAS DETERMINED THAT SUCH A TAX POSITION DOES NOT RESULT IN AN UNCERTAINTY REQUIRING RECOGNITION. BYSO IS NOT CURRENTLY UNDER EXAMINATION BY ANY TAXING JURISDICTION. BYSO'S FEDERAL AND STATE TAX RETURNS ARE GENERALLY OPEN FOR EXAMINATION FOR THREE YEARS FOLLOWING THE DATE FILED.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL AID 143,071.</ExplanationTxt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>5</ContributionCnt>
        <NoncashContributionsRptF990Amt>136285</NoncashContributionsRptF990Amt>
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        <Desc>MUSICAL INSTRUMENTS</Desc>
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        <NoncashContributionsRptF990Amt>29050</NoncashContributionsRptF990Amt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS DELIVERED TO THE BOARD OF DIRECTORS VIA PDF.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>A FORM, INCLUDING ALL DISCLOSURES, IS SIGNED ANNUALLY.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>THE EXECUTIVE COMMITTEE OF BOARD DETERMINES THE COMPENSATION AFTER THE RECOMMENDATION OF THE PRESIDENT.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S FORM 990 IS AVAILABLE ON THE WEBSITE OF THE ATTORNEY GENERAL OF THE COMMONWEALTH OF MASSACHUSETTS DIVISION OF PUBLIC CHARITIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL DOCUMENTS ARE AVAILABLE TO THE PUBLIC ON REQUEST.</ExplanationTxt>
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</Return>