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      <ConferencesMeetingsGrp>
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      <RevenueNotReportedFinclStmtAmt>2359</RevenueNotReportedFinclStmtAmt>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>PCSO IS EXEMPT FROM FEDERAL AND STATE INCOME TAXES UNDER SECTION 501(C)(6) OF THE INTERNAL REVENUE CODE AND SECTION 23701E OF THE CALIFORNIA REVENUE TAXATION CODE, AND IS CONSIDERED TO BE AN ORGANIZATION OTHER THAN A PRIVATE FOUNDATION. PCSO RECOGNIZES THE FINANCIAL STATEMENT BENEFIT OF A TAX POSITION ONLY AFTER DETERMINING THAT THE RELEVANT TAX AUTHORITY WOULD MORE LIKELY THAN NOT SUSTAIN THE POSITION FOLLOWING AN AUDIT. FOR TAX POSITIONS MEETING THE MORE-THAN-LIKELY-THAN-NOT THRESHOLD, THE AMOUNT RECOGNIZED IN THE FINANCIAL STATEMENTS IS THE LARGEST BENEFIT THAT HAS A GREATER THAN 50% LIKELIHOOD OF BEING REALIZED UPON ULTIMATE SETTLEMENT WITH THE RELEVANT TAX AUTHORITY. PCSO IS SUBJECT TO INCOME TAX REGULATIONS IN THE U.S. FEDERAL JURISDICTION AND CERTAIN STATE JURISDICTIONS. TAX REGULATIONS WITHIN EACH JURISDICTION ARE SUBJECT TO THE INTERPRETATION OF THE RELATED TAX LAWS AND REGULATIONS AND REQUIRE SIGNIFICANT JUDGMENT TO APPLY. WITH FEW EXCEPTIONS, PCSO IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS BY THE APPLICABLE TAX AUTHORITIES FOR THE YEARS BEFORE 2021. IF ANY WERE TO BE INCURRED, PCSO'S POLICY IS TO RECORD PENALTIES AND INTEREST ASSESSED BY INCOME TAX AUTHORITIES AS OPERATING EXPENSES</ExplanationTxt>
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        <ValuationMethodUsedDesc>CASH VALUE</ValuationMethodUsedDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>A COMMITTEE REVIEWS THE APPLICANTS TO DETERMINE THE AWARD.</ExplanationTxt>
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          <BusinessName>
            <BusinessNameLine1Txt>C2 ASSOCIATION MANAGEMENT LLC</BusinessNameLine1Txt>
          </BusinessName>
        </NameOfInterested>
        <RelationshipDescriptionTxt>50% CONTROLLED ENTITY OF EXECUTIVE DIRECTOR</RelationshipDescriptionTxt>
        <TransactionAmt>290000</TransactionAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>ADMINISTER ALL OF THE MANAGERIAL AFFAIRS OF THE SOCIETY, INCLUDING - FINANCIAL, MEMBERSHIP, PUBLICATIONS, COMMUNICATIONS, AND MEETINGS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERS OF THE SOCIETY ARE ORTHODONTISTS WHO ARE MEMBERS OF THE AMERICAN ASSOCIATION OF ORTHODONTISTS THAT PRACTICE AND/OR RESIDE IN A TERRITORIAL JURISDICTION THAT INCLUDES U.S. STATES AND CANADIAN PROVINCES IN THE WESTERN SECTION OF NORTH AMERICA. MEMBERS ARE CLASSIFIED AS FOLLOWS: ACTIVE, AFFILIATED, ACADEMIC, GOVERNMENT SERVICE (MILITARY OR CIVILIAN), RETIRED, AND HONORARY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECTORS ARE NOMINATED AND ELECTED BY COMPONENT ORGANIZATIONS (TERRITORIAL JURISDICTIONS WHICH ARE PRINCIPALLY U.S. STATE OR CANADIAN PROVINCE ORTHODONTIST SOCIETIES) IN ACCORDANCE WITH THE PROCEDURES OF EACH COMPONENT ORGANIZATION. THE SECRETARY-TREASURER IS NOMINATED BY THE NOMINATING AND AWARDS COMMITTEE AT LEAST 60 DAYS PRIOR TO THE ANNUAL SESSION. THE GENERAL ASSEMBLY ELECTS THE POSITION AT THE ANNUAL SESSION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>BYLAW CHANGES MUST BE APPROVED BY THE BOARD AND ALSO BY THE GENERAL ASSEMBLY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS REVIEWED BY THE ORGANIZATION'S EXECUTIVE DIRECTOR, AND BOARD OF DIRECTORS PRIOR TO BEING SIGNED AND FILED WITH THE IRS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS A WRITTEN CONFLICT OF INTEREST POLICY WHICH IS REQUIRED TO BE COMPLETED AND SIGNED BY EACH MEMBER OF THE BOARD OF DIRECTORS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>INFORMATION INCLUDING THE ORGANIZATION'S BYLAWS AND POLICIES ARE AVAILABLE UPON REQUEST. UPON REQUEST A COPY OF THE ORGANIZATION'S TAX RETURN (FORM 990) WILL BE MADE AVAILABLE FOR INSPECTION FOR A PERIOD OF THREE YEARS FROM THE DUE DATE IT IS REQUIRED TO BE FILED.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER PROFESSIONAL FEES 158,424.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS FOR OVERSEEING THE REVIEW AND SELECTION OF AN INDEPENDENT ACCOUNTANT HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
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