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        <FormAndLineReferenceDesc>SUPPORTING SCHEDULE</FormAndLineReferenceDesc>
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        <FormAndLineReferenceDesc>PART III, LINE 12</FormAndLineReferenceDesc>
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          <State>RESTRICTED</State>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 2, PART III, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MECHANCISBURG MUSEUM ASSOCIATION WAS FOUNDED IN 1975 IN A COMMUNITY EFFORT TO PRESERVE THE STATIONMASTER'S HOUSE, A HISTORICAL MECHANICSBURG LANDMARK FROM DESTRUCTION. SINCE ITS INCEPTION, THE ASSOCIATION HAS PRESERVED AND PROMOTED MECHANICSBURG'S UNIQUE HISTORY WITH EDUCATIONAL PROGRAMS, GALLERY EXHIBITS, AND BY ACQUIRING FOUR MORE HISTORIC BUILDINGS IN THE AREA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 2, PART V, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>PRESERVATION FUND - TO PRESERVE HISTORICAL ASSETS IN THE LOCAL COMMUNITY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 3, PART X</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSOCIATION IS EXEMPT FROM FEDERAL INCOME TAX AS PROVIDED BY CODE SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE. ACCORDINGLY, NO INCOME TAX IS INCURRED UNLESS THE ASSOCIATION EARNS INCOME CONSIDERED TO BE UNRELATED BUSINESS INCOME. THE ASSOCIATION CONDUCTED NO ACTIVITIES THAT WERE SUBJECT TO INCOME TAX. MANAGEMENT EVALUATED THE TAX POSITIONS TAKEN AND CONCLUDED THAT THE ASSOCIATION HAD TAKEN NO UNCERTAIN TAX POSITIONS THAT REQUIRE RECOGNITION OR DISCLOSURE IN THE FINANCIAL STATEMENT. NO PROVISION OR BENEFIT FOR INCOME TAXES HAS BEEN INCLUDED IN THESE FINANCIAL STATEMENTS. WITH FEW EXCEPTIONS, THE ASSOCIATION IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS BY THE U.S. FEDERAL, STATE, OR LOCAL TAX AUTHORITIES FOR YEARS BEFORE DECEMBER 31, 2021.</ExplanationTxt>
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        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XI, LINE 2D</FormAndLineReferenceDesc>
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        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XII, LINE 2D</FormAndLineReferenceDesc>
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        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>PRESERVE LOCAL HISTORY OF MECHANICSBURG, PENNSYLVANIA THROUGH THE PRESERVATION AND RESTORATION OF HISTORICAL BUILDINGS IN THE COMMUNITY AND EDUCATION OF THE PUBLIC OF THE SIGNIFICANCE AND HISTORICAL IMPORTANCE OF THESE STRUCTURES AND THEIR CONTENTS TO THE COMMUNITY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY THE PRESIDENT AND THE TREASURER, THEN PRESENTED TO THE BOARD OF DIRECTORS FOR REVIEW AND APPROVAL PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>UPON REQUEST AT ORGANIZATION'S OFFICE.</ExplanationTxt>
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  </ReturnData>
</Return>