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        <FormAndLineReferenceDesc>Part X : FIN48 Footnote</FormAndLineReferenceDesc>
        <ExplanationTxt>PCRF is exempt from payment of taxes on income other than net unrelated business income under Section 501(c)(3) of the Internal Revenue Code. For the year ended December 31, 2019,there was no unrelated business income and, accordingly, no federal or state income taxes have been recorded.Management has evaluated PCRF's tax positions and has determined that PCRF has taken no uncertain tax positions that require either recognition or disclosure in the accompanying financial statements.</ExplanationTxt>
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        <ExplanationTxt>OTHER PROGRAM SERVICES 4: PCORnet Policy Development and Implementation: PCRF develops and implements policies to support PCORnet development, sustainability, and expansion amidst the rapidly-evolving context of clinical trial policy in the US.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 9: Officer, Director, Trustee, Key Employee Mailing Address</FormAndLineReferenceDesc>
        <ExplanationTxt>All Individuals:Caplin and DrysdaleOne Thomas Cirlce, NW, Suite 1100Washington, DC 20005</ExplanationTxt>
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        <ExplanationTxt>THE FORM 990 IS PREPARED BY THE ORGANIZATION'S CPA FIRM AND THEN REVIEWED AND APPROVED BY THE INTERIM EXECUTIVE DIRECTOR. THE FULL BOARD OF DIRECTORS RECEIVES A COPY PRIOR TO FILING THE RETURN.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c: Explanation of Monitoring and Enforcement of Conflicts</FormAndLineReferenceDesc>
        <ExplanationTxt>In addition to annual disclosure, whenever a matter is brought to the Board for decision, the parties in the matter are shared with the Board and we ask that any conflicts be disclosed.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a: Compensation Review &amp; Approval Process - CEO, Top Management</FormAndLineReferenceDesc>
        <ExplanationTxt>To determine the adequacy and reasonableness of compensation paid to its CEO and Interim Executive Director, PCRF took into account amounts paid for similar services at comparable organizations through consultation with PCORI. Independent members of PCRFs board of directors approved the CEOs compensation amount based on this information, and their decision was contemporaneously documented.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</FormAndLineReferenceDesc>
        <ExplanationTxt>PCRF'S FORM 990 IS READILY AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
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