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        <FormAndLineReferenceDesc>SCHEDULE D, PART V, QUESTION 4</FormAndLineReferenceDesc>
        <ExplanationTxt>USE OF FUND ENDOWMENTS: THE CENTER'S ENDOWMENT CONSISTED OF BOTH A DONOR-RESTRICTED ENDOWMENT FUND TO BE USED FOR AIDS RESEARCH AND A FUND DESIGNATED BY THE BOARD OF DIRECTORS TO FUNCTION AS ENDOWMENT. DURING FISCAL-YEAR 2020, THE ENTIRE ENDOWMENT, WHICH INCLUDED FUNDS TO BE HELD IN PERPETUITY AS WELL AS THE ACCUMULATED EARNINGS WERE TRANSFERRED TO COLUMBIA UNIVERSITY PURSUANT TO THE ASSET TRANSFER AGREEMENT. SEE SCHEDULE O FOR ADDITIONAL DETAILS.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AARON DIAMOND AIDS RESEARCH CENTER FOR THE CITY OF NEW YORK, INC. (THE "CENTER"), INCORPORATED IN NEW YORK IN 1988, WAS A RESEARCH INSTITUTE WHICH HOUSES A SPECIALIZED VIRAL CONTAINMENT LABORATORY WHERE THE HIV VIRUS CAN BE GROWN AND BIOMEDICAL RESEARCH IS UNDERTAKEN. DURING FISCAL YEAR 2018, THE CENTER'S BOARD OF DIRECTORS ENTERED INTO NEGOTIATIONS WITH COLUMBIA UNIVERSITY ("COLUMBIA") IN WHICH THE CENTER WOULD TRANSFER SUBSTANTIALLY ALL OF ITS ASSETS AND NET ASSETS TO COLUMBIA AND COLUMBIA WOULD ASSUME CERTAIN OF THE LIABILITIES OF THE CENTER IN CONNECTION WITH AN INTEGRATION OF THE CENTER'S OPERATIONS INTO COLUMBIA PURSUANT TO THE ASSET TRANSFER AND INTEGRATION AGREEMENT (THE "AGREEMENT") BETWEEN THE TWO ORGANIZATION WITH APPROVAL BY THE ATTORNEY GENERAL OF THE STATE OF NEW YORK. UPON CLOSING OF THE TRANSACTION, THE CENTER'S ACTIVITIES AND OPERATIONS WOULD RELOCATE TO COLUMBIA AS THE AARON DIAMOND AIDS RESEARCH CENTER WITHIN THE COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS, FOR THE PURPOSE, AMONGST OTHER THINGS, COMBINING THE STRENGTHS OF THE INSTITUTIONS TO ENHANCE RESEARCH AND TEACHING IN THE AREA OF HIV/AIDS, IMMUNOLOGY AND RETRO VIRUSES. THE BOARD APPROVED THE TRANSACTION AT THE BOARD MEETING ON FEBRUARY 9, 2018. THE TRANSFER WAS SUBSTANTIALLY COMPLETED IN JANUARY 2020, AND ALL MAJOR OPERATIONS OF THE CENTER CEASED. THE CENTER, AS A STAND-ALONE ENTITY, WILL CONTINUE TO EXIST AND CONDUCT SIGNIFICANTLY REDUCED OPERATIONS POST-COMPLETION OF THE ASSET TRANSFER FOR THE FORESEEABLE FUTURE. AS A RESULT OF THE AGREEMENT, THE CENTER REPORTED ON ITS STATEMENT OF ACTIVITIES FOR FISCAL 2020, A TRANSFER OF NET ASSETS TO COLUMBIA OF $52,828,728.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CENTER'S GOVERNING BOARD RECEIVES A COPY OF THE FORM 990 PRIOR TO ELECTRONIC FILING WITH INTERNAL REVENUE SERVICE. THE CENTER'S BOARD IS RESPONSIBLE FOR REVIEWING AND APPROVING THE FORM 990 FOR SUBMISSION.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>MONITORING AND ENFORCEMENT OF COMPLIANCE WITH CONFLICTS OF INTEREST: OFFICERS AND DIRECTORS ARE REQUIRED, ON AN ANNUAL BASIS, TO REVIEW, DISCLOSE POTENTIAL CONFLICTS, AND SIGN THE CENTER'S CONFLICT OF INTERESTS POLICY.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION PRACTICES: IN YEARS PRIOR TO THE FISCAL YEAR ENDED JUNE 30, 2021, THE EXECUTIVE COMPENSATION SUBCOMMITTEE'S PURPOSE IS TO REVIEW THE CEO'S EMPLOYMENT AGREEMENT TO ENSURE THAT THE CEO'S COMPENSATION PACKAGE REPRESENTS REASONABLE REMUNERATION FOR THE SERVICES PERFORMED AND COMPLIANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL LAWS. SUBCOMMITTEE ENGAGED AN INDEPENDENT COMPENSATION CONSULTANT AND COMPLETED A COMPENSATION STUDY AND REPORT. THE INFORMATION PROVIDED BY THE COMPENSATION CONSULTANT IS USED BY THE COMPENSATION SUBCOMMITTEE TO ENSURE THAT THE TERMS OF COMPENSATION RECOMMENDED BY THIS COMMITTEE, INCLUDING ANY NON-MONETARY COMPENSATION, ARE CONSIDERED REASONABLE. RECOMMENDATIONS ARE THEN BROUGHT TO THE FULL BOARD FOR APPROVAL. THE COMPENSATION OF OTHER OFFICERS AND KEY PERSONNEL ARE REVIEWED BY THE CEO FOR REASONABLENESS. PROMOTIONS TO THESE LEVELS ARE RECOMMENDED BY THE CEO AND BROUGHT TO THE FULL BOARD FOR APPROVAL. THERE WAS NO COMPENSATION ON A FISCAL YEAR BASIS THROUGH THE FISCAL YEAR ENDED JUNE 30, 2021.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS AND ORGANIZATIONAL POLICIES: THE CENTER MAKES AVAILABLE THE MISSION STATEMENT AND THE ANNUAL FINANCIAL REPORT ON ITS WEBSITE. THE BY-LAWS, IRS FORM 990, AND CONFLICT OF INTEREST POLICY ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER PROFESSIONAL FEES: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 29,456. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 29,456.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART XII</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCIAL STATEMENTS HAVE BEEN AUDITED IN PAST YEARS AND WILL HAVE ONE LAST AUDIT THROUGH THE REMAINING DISBURSEMENT OF FUNDS. SEE ALSO NOTE REGARDING THE MERGER/DISSOLUTION PROCESS OF THE CENTER IN SCHEDULE O.</ExplanationTxt>
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