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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 3, PART X</FormAndLineReferenceDesc>
        <ExplanationTxt>ICA COMPLIES WITH FASB ASC 740- ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES. FASB ASC 740 DETAILS HOW COMPANIES SHOULD RECOGNIZE, MEASURE, PRESENT AND DISCLOSE UNCERTAIN TAX POSITIONS THAT HAVE BEEN OR ARE EXPECTED TO BE TAKEN. AS SUCH, THE FINANCIAL STATEMENTS WOULD REFLECT EXPECTED FUTURE TAX CONSEQUENCES OF UNCERTAIN TAX POSITIONS PRESUMING THE TAXING AUTHORITIES' FULL KNOWLEDGE OF THE POSITION AND ALL RELEVANT FACTS, IF THEY EXISTED. MANAGEMENT BELIEVES THAT THERE ARE NO UNCERTAIN TAX POSITIONS. ICA'S TAX YEARS THAT REMAIN SUBJECT TO EXAMINATION BY THE INTERNAL REVENUE SERVICE ARE THE INITIAL RETURN FISCAL YEAR ENDED DECEMBER 31, 2022 AND FORWARD.</ExplanationTxt>
      </SupplementalInformationDetail>
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    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>ICA-ART CONSERVATION IS THE OLDEST NONPROFIT ART CONSERVATION CENTER IN THE UNITED STATES, PROVIDING ESSENTIAL PRESERVATION SERVICES TO MUSEUMS, LIBRARIES, ARCHIVES, UNIVERSITIES, CHURCHES, AND COMMUNITY ORGANIZATIONS. ICA PROVIDES EXPERT CONSERVATION TREATMENT IN ITS LABORATORY AND ON-SITE, ALONG WITH COLLECTIONS ASSESSMENTS, SURVEYS, CUSTOM STORAGE AND DISPLAY SOLUTIONS, AND TECHNICAL PHOTOGRAPHY. THE ORGANIZATION ALSO ASSISTS CLIENTS WITH DISASTER RESPONSE AND RECOVERY AND COLLABORATES ON GRANT-FUNDED PRESERVATION INITIATIVES. THROUGH ITS WORK, ICA HELPS INSTITUTIONS PROTECT AND EXTEND THE LIFE OF CULTURAL HERITAGE COLLECTIONS FOR PUBLIC BENEFIT. IN 2025, ICA UNDERTOOK A COMPREHENSIVE REVIEW OF ITS POLICIES, PROCEDURES, AND FINANCIAL PRACTICES, RESULTING IN STRENGTHENED FISCAL CONTROLS, IMPROVED REVENUE RECOGNITION, AND A MORE DISCIPLINED OPERATIONAL FRAMEWORK. THESE CHANGES HAVE POSITIONED THE ORGANIZATION FOR LONG-TERM SUSTAINABILITY AND ENHANCED SERVICE DELIVERY. COLLECTIONS CARE AND TREATMENT ICAS CONSERVATORS TREAT A WIDE RANGE OF CULTURAL HERITAGE MATERIALS, INCLUDING PAINTINGS, MURALS, SCULPTURE, FURNITURE, CERAMICS, HISTORIC MONUMENTS, WORKS ON PAPER, RARE BOOKS, ARCHIVAL MATERIALS, TEXTILES, AND MODERN SYNTHETIC OBJECTS. THESE SERVICES ARE PARTICULARLY CRITICAL FOR SMALL AND MID-SIZED INSTITUTIONS THAT LACK IN-HOUSE CONSERVATION STAFF. ICAS WORK STABILIZES AND PRESERVES COLLECTIONS OF HISTORICAL, ARTISTIC, AND EDUCATIONAL SIGNIFICANCE, ENSURING CONTINUED ACCESS FOR RESEARCHERS, STUDENTS, AND THE PUBLIC EDUCATION AND OUTREACH ICA ADVANCES PRESERVATION KNOWLEDGE THROUGH A RANGE OF EDUCATION AND OUTREACH ACTIVITIES. IN 2025, THE ORGANIZATION OFFERED FREE MONTHLY WEBINARS, HANDS-ON WORKSHOPS, AND COMPLIMENTARY CONSULTATIONS WITH PROFESSIONAL CONSERVATORS. THESE PROGRAMS SUPPORT CULTURAL INSTITUTIONS, STUDENTS, AND THE GENERAL PUBLIC BY INCREASING AWARENESS OF PREVENTIVE CARE PRACTICES AND IMPROVING THE LONG-TERM STEWARDSHIP OF COLLECTIONS. ICAS OUTREACH EFFORTS EXPAND THE IMPACT OF ITS MISSION BEYOND DIRECT TREATMENT, STRENGTHENING PRESERVATION CAPACITY ACROSS THE REGION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE DRAFT IRS FEDERAL FORM 990 IS REVIEWED INTERNALLY BY SENIOR STAFF AND THE BOARD TREASURER. THE FINAL DRAFT IS PRESENTED TO THE FULL BOARD OF DIRECTORS. A COPY OF THE FINAL COMPLETED FORM 990 IS PROVIDED TO EACH BOARD MEMBER.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF ICA'S CONFLICT OF INTEREST POLICY IS PROVIDED TO EACH BOARD MEMBER WHEN THEY JOIN THE BOARD. ANNUALLY, EACH BOARD MEMBER IS REQUIRED TO REREAD THE POLICY AND SUBMIT ANY POSSIBLE CONFLICTS TO THE PRESIDENT OF THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS APPROVES THE EXECUTIVE DIRECTOR'S SALARY, WHICH IS RECOMMENDED BY THE EXECUTIVE COMMITTEE. THE EXECUTIVE COMMITTEE USES DATA FROM OTHER ORGANIZATIONS' FORM 990S AND VARIOUS OTHER SOURCES TO DETERMINE A FAIR SALARY BASED ON EXPERIENCE AND QUALIFICATIONS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE ORGANIZATION'S FEDERAL FORM 990 IS PROVIDED TO ANYONE WHO REQUESTS IT.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSISTENT WITH THE REQUIREMENTS OF SECTION 6104(D) OF THE IRC AND THE REGULATIONS THEREUNDER, COPIES OF THE ORGANIZATION'S FEDERAL FORM 990 AND GOVERNING DOCUMENTS SHALL BE MADE AVAILABLE UPON REQUEST, IN A TIMELY MANNER, AND SUBJECT TO THE CHARGES PERMITTED BY LAW TO ANY INDIVIDUAL(S) WHO REQUEST IT.</ExplanationTxt>
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</Return>