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        <FormAndLineReferenceDesc>Part X : FIN48 Footnote</FormAndLineReferenceDesc>
        <ExplanationTxt>ABRF is exempt from federal income taxes under Section 501c3 of the Internal Revenue Code, however, ABRF is not exempt from tax imposed upon unrelated activity income. ABRF currently has no net unrelated business income and accordingly, no provision for income taxes has been recorded. ABRF does not believe there are any material uncertain tax positions and, accordingly, it has not recognized any liability for unrecognized tax benefits or possible related interest or penalties. ABRF generally is no longer subject to income tax examinations by tax authorities for years before 2022.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>AS DEFINED IN ITS BYLAWS, A MEMBER IS AN INDIVIDUAL WHO WORKS IN A RESOURCE FACILITY OR RESEARCH LABORATORY AND WHO IS INTERESTED IN METHODS, TECHNIQUES, AND INSTRUMENTATION RELEVANT TO THE ANALYSIS AND SYNTHESIS OF BIOMOLECULES. MEMBERS WHO CONTRIBUTE THE ANNUAL FEES DETERMINED BY THE EXECUTIVE BOARD HAVE FULL VOTING RIGHTS AND PRIVILEGES IN THE ASSOCIATION. IN ADDITION, ABRF HAS TWO ADDITIONAL MEMBERSHIP CLASSES - ASSOCIATE AND SPONSOR. THESE ADDITIONAL TWO MEMBERSHIP CLASSES HAVE NO VOTING RIGHTS IN ASSOCIATION MATTERS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7a</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>ANY PROPOSED AMENDMENTS TO THE BYLAWS OF ABRF REQUIRE MEMBERSHIP APPROVAL. IF AT LEAST TWENTY PERCENT OF THE MEMBERS RETURN BALLOTS, THE PROPOSED BYLAW AMENDMENTS SHALL BE ADOPTED IF APPROVED BY NOT FEWER THAN THREE-FIFTHS OF THE MEMBERS WHO VOTE. IN ADDITION, SPECIAL MEMBERSHIP MEETINGS MAY BE CALLED BY THE EXECUTIVE BOARD OR PRESIDENT IN ORDER TO ADDRESS OTHER MATTERS THE BOARD DETERMINES MAY NEED APPROVAL OF THE MEMBERSHIP.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>AN ELECTRONIC COPY OF THE FORM 990 IS PROVIDED TO EACH VOTING MEMBER OF THE GOVERNING BODY AT LEAST TWO WEEKS PRIOR TO THE FILING OF THE RETURN. UPON TAX PREPARERS COMPLETION OF THE IRS FORM 990, THE FORM AND ACCOMPANYING SCHEDULES WILL FIRST BE REVIEWED BY KEY MEMBERS OF THE ASSOCIATION MANAGEMENT COMPANY'S CLIENT TEAM. THEREAFTER AN ELECTRONIC COPY OF FORM 990 AND ACCOMPANYING SCHEDULES WILL BE MADE AVAILABLE BY THE ASSOCIATION DIRECTOR TO EACH VOTING MEMBER OF THE GOVERNING BODY WITH ELECTRONIC E-MAIL NOTIFICATION AND INSTRUCTIONS FOR CONTACTING ASSOCIATION HEADQUARTERS WITH COMMENTS OR QUESTIONS. A 2-WEEK TIMEFRAME WILL BE PROVIDED FOR GOVERNING BODY COMMENTS OR QUESTIONS. FOLLOWING THE OPEN TIMEFRAME FOR GOVERNING BODY COMMENTS OR QUESTIONS, AND FOLLOWING RESOLUTION OF ANY QUESTIONS OR OTHER MATTERS THAT HAVE ARISEN, THE E-FILE AUTHORIZATION FORM IS SIGNED BY THE TREASURER AND THE FORM 990 IS ELECTRONICALLY FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCORDING TO THE TERMS OF ABRF'S CONFLICT OF INTEREST POLICY, EACH YEAR EVERY MEMBER OF THE ABRF BOARD AND EVERY RESEARCH GROUP AND COMMITTEE MEMBER MUST SUBMIT A CONFLICT OF INTEREST FORM TO THE PRESIDENT OF ABRF.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>All documents requiring public disclosure by the Internal Revenue Service are made available upon request for the same period of disclosure set forth in Section 6104D.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>