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        <CurrentTaxYearMinus1Year>96414</CurrentTaxYearMinus1Year>
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        <CurrentTaxYearMinus1Year>1310</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>895</CurrentTaxYear>
        <Total>13475</Total>
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      <TotalSupport>886923</TotalSupport>
      <GrossReceiptsFromAdmissionsEtc>10945</GrossReceiptsFromAdmissionsEtc>
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      <DisclosedForCharitablePurposes>false</DisclosedForCharitablePurposes>
      <WrittenPolicyMonitoring>false</WrittenPolicyMonitoring>
      <Sect170hRequirementsSatisfied>false</Sect170hRequirementsSatisfied>
      <SolicitedAssetsForSale>false</SolicitedAssetsForSale>
      <AgentTrusteeEtc>false</AgentTrusteeEtc>
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        <MethodOfValuation>C</MethodOfValuation>
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        <Identifier>SUPPLEMENTAL FINANCIAL INFORMATION</Identifier>
        <ReturnReference>SCHEDULE D, PAGE 4, PART XIV</ReturnReference>
        <Explanation>SCHEDULE D PART III LINE 1A: HISTORICAL SITES AND COLLECTIONS THE SOCIETY HAS ADOPTED A POLICY OF NOT CAPITALIZING HISTORICAL SITES OR COLLECTIONS IN ITS FINANCIAL STATEMENTS. ACCORDINGLY, NO HISTORICAL SITES OR COLLECTION ITEMS ARE RECOGNIZED AS ASSETS WHETHER THEY ARE PURCHASED OR RECEIVED AS A DONATION. THE HISTORICAL PROPERTIES OWNED BY THE SOCIETY INCLUDE: THE JAMES BLAKE HOUSE, THE WILLIAM CLAPP HOUSE, AND THE LEMUEL CLAPP HOUSE. COLLECTIONS MAINTAINED BY THE SOCIETY INCLUDE PAINTINGS, FURNISHINGS, PERIOD COSTUMES AND ASSORTED ARTIFACTS RELATING TO DORCHESTER HISTORY. PURCHASES OF COLLECTION ITEMS AND IMPROVEMENTS TO HISTORICAL SITES ARE RECORDED AS DECREASES IN UNRESTRICTED NET ASSETS IN THE YEAR IN WHICH THE ITEMS ARE ACQUIRED, OR AS TEMPORARILY RESTRICTED NET ASSETS AS A DONOR MAKES A CONTRIBUTION INTENDED TO FUND THE SUBSEQUENT PURCHASE OF COLLECTIONS OR IMPROVEMENT TO A HISTORICAL SITE.</Explanation>
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      <GeneralExplanation>
        <Identifier>ORGANIZATION'S PROCESS USED TO REVIEW FORM 990</Identifier>
        <ReturnReference>FORM 990, PAGE 6, PART VI, LINE 11B</ReturnReference>
        <Explanation>PRESIDENT, TREASURER AND SECRETARY REVIEW FORM 990 FOR COMPLETENESS AND ACCURACY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>GOVERNING DOCUMENTS DISCLOSURE EXPLANATION</Identifier>
        <ReturnReference>FORM 990, PAGE 6, PART VI, LINE 19</ReturnReference>
        <Explanation>UPON REQUEST AND VIA THE MASSACHUSETTS DIVISION OF PUBLIC CHARITIES WEB SITE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>OTHER EXPENSES</Identifier>
        <ReturnReference>FORM 990, PART IX, LINE 24F</ReturnReference>
        <Explanation>UTILITIES 6,669 PROGRAM EXPENSE 5,960 BOOKKEEPER 4,200 SECURITY FOR HIST BLDGS 3,145 BANK CHARGES 2,067 TELEPHONE 1,658 POSTAGE AND DELIVERY 955 DUES 659 PRINTING AND PUBLICATIONS 373 EQUIPMENT REPAIRS 262 DONATIONS 100 OTHER TAX MA ANNUAL REPOR 15</Explanation>
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      <GeneralExplanation>
        <Identifier>ADDITIONAL INFORMATION</Identifier>
        <ReturnReference>FORM 990, PART XI</ReturnReference>
        <Explanation>LINE 5 HISTORICAL SITES ARE NO LONGER BEING CAPITALIZED NOR DEPRECIATED</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGE IN ACCOUNTING METHOD EXPLANATION</Identifier>
        <ReturnReference>FORM 990, PAGE 12, PART XII, LINE 1</ReturnReference>
        <Explanation>TAX RETURNS ARE NOW FILED ON THE ACCRUAL BASIS TO COINCIDE WITH REVIEWED FINANCIAL STATEMENTS.</Explanation>
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