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      <Form990PartVIISectionAGrp>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JULIE THOM</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ROBIN TINDALL</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>BILL THOMAS</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>KATHY WELLING</PersonNm>
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      <RevenueNotReportedAmt>412155</RevenueNotReportedAmt>
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      <RevenueNotReportedFinclStmtAmt>-273848</RevenueNotReportedFinclStmtAmt>
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        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MONTSHIRE MUSEUM OF SCIENCE, INC. ENDOWMENT SUPPORTS THE PROGRAMS, THE EXHIBITS, AND THE ACTIVITIES CARRIED OUT TO FULFILL THE ORGANIZATION'S MISSION.</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>EFFECTIVE OCTOBER 1, 2009, THE MUSEUM ADOPTED THE PROVISIONS OF ACCOUNTING STANDARDS CODIFICATION SUBTOPIC 740-10, ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES. SUBTOPIC 740-10 ADDRESSES THE ACCOUNTING UNCERTAINTY OF INCOME TAXES RECOGNIZED IN AN ENTERPRISE'S FINANCIAL STATEMENTS AND PRESCRIBES A THRESHOLD OF "MORE-LIKELY-THAN-NOT" FOR RECOGNITION AND DERECOGNITION OF TAX POSITIONS TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN. SUBTOPIC 740-10 ALSO PROVIDES GUIDANCE ON MEASUREMENT CLASSIFICATION, INTEREST AND PENALTIES AND DISCLOSURE. THE MUSEUM HAS DETERMINED THAT THE PROVISIONS OF SUBTOPIC 740-10 DO NOT HAVE A MATERIAL EFFECT ON THE MUSEUM'S FINANCIAL STATEMENTS. THE MUSEUM BELIEVES IT IS NO LONGER SUBJECT TO EXAMINATIONS FOR YEARS PRIOR TO 2019.</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RECOVERY FROM ABANDONMENT OF PROJECTS 30,102. ROUNDING 1.</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RETAIL SALES-COST OF GOODS SOLD -231,666. FUNDRAISING EXPENSES -42,182.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RETAIL SALES-COST OF GOODS SOLD 231,666. FUNDRAISING EXPENSES 42,182.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>ROUNDING 1.</ExplanationTxt>
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        <GrossRevenueTotalEventsAmt>200891</GrossRevenueTotalEventsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGES TO THE MUSEUM'S BY-LAWS WERE APPROVED BY THE BOARD OF TRUSTEES AND THEN RECOMMENDED TO THE MONTSHIRE CORPORATION WHO VOTED TO ADOPT THEM DURING FISCAL YEAR 2023.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MONTSHIRE HAS MEMBERS OF THE CORPORATION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>AT THE ANNUAL MEETING OF THE CORPORATION, THE MEMBERS SHALL RECEIVE REPORTS FROM THE BOARD OF TRUSTEES, THE EXECUTIVE DIRECTOR, THE CORPORATION'S NOMINATING COMMITTEE, AND ANY OTHER CORPORATION COMMITTEES AS MAY BE IN EXISTENCE. IN ADDITION, THE MEMBERS WILL ELECT SUCH NEW MEMBERS AS THEY MAY WISH WITHIN THE LIMITATIONS PROVIDED HEREIN; ELECT THE PRESIDENT AND VICE PRESIDENT OF THE CORPORATION; ELECT TRUSTEES TO FILL EXPIRING TERMS AND VACANCIES; AND ELECT MEMBERS OF THE CORPORATION'S NOMINATING COMMITTEE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY THE EXECUTIVE DIRECTOR, THE FINANCE CHAIR, AN APPOINTED MEMBER OF THE TRUSTEE FINANCE COMMITTEE, AND THE DIRECTOR OF FINANCE AND HUMAN RESOURCES FOR APPROVAL BEFORE FILING. IT IS THEN FORMALLY PRESENTED TO AND APPROVED BY THE FULL BOARD PRIOR TO SUBMISSION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS ARE REQUIRED TO REFRAIN FROM PARTICIPATING IN DISCUSSIONS OR VOTING ON DECISIONS THAT COULD GIVE RISE TO A CONFLICT OF INTEREST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 15A - THE TRUSTEE EXECUTIVE COMMITTEE REVIEWS EXTERNAL DATA FROM MUSEUM ASSOCIATIONS AND OTHER RELEVANT SOURCES TO DETERMINE THE SALARY OF THE EXECUTIVE DIRECTOR. LINE 15B - THE EXECUTIVE DIRECTOR REVIEWS EXTERNAL DATA FROM MUSEUM ASSOCIATIONS AND OTHER RELEVANT SOURCES TO DETERMINE THE SALARY OF KEY EMPLOYEES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>UPON REQUEST, THE ORGANIZATION PROVIDES WRITTEN COPIES OF THE REQUESTED DOCUMENTS. THE FORM 990 IS ALSO AVAILABLE ON THE GUIDESTAR.ORG WEBSITE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>RECOVERY FROM ABANDONMENT OF PROJECTS 30,102. ROUNDING 2.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
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