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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 1, ITEM C</FormAndLineReferenceDesc>
        <ExplanationTxt>SEE SCHEDULE O SEATTLE SOUTHSIDE CHAMBER OF COMMERCE</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>SEATTLE SOUTHSIDE CHAMBER OF COMMERCE CREATES SUCCESS FOR OUR MEMBERS; ADVANCES OUR REGION; AND MAINTAINS A STRONG ECONOMIC ENVIRONMENT IN SOUTHWEST KING COUNTY THROUGH SUPPORT, SERVICE, AND ADVOCACY AT ALL LEVELS OF GOVERNMENT, AND BY CONNECTING OUR MEMBERS TO OUR COMMUNITIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 1, PART I, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>VOLUNTEERS ASSISTED THE CHAMBER WITH THE FOLLOWING ACTIVITIES: 1. SERVING ON THE BOARD OF DIRECTORS, 2. SERVING ON COMMITTEES OF THE CHAMBER, 3. AND ASSISTING WITH SPECIAL EVENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CHAMBER HAS 609 MEMBERS AS OF DECEMBER 31, 2023.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CHAMBER'S MEMBERSHIP NOMINATE AND ELECT THE BOARD OF DIRECTORS. AT LARGE DIRECTORS ARE APPOINTED BY THE ELECTED BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERSHIP HAS THE RIGHT TO AMEND, CHANGE, OR CREATE VOTING DISTRICTS, OR TO DESIGNATE THE NUMBER OF ELECTED DIRECTORS FROM EACH DISTRICT VIA A TWO-THIRDS MAJORITY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS REVIEW AND APPROVE A DRAFT OF FORM 990 DURING A MONTHLY BOARD MEETING. THE RETURN IS FILED AFTER BOARD APPROVAL.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>DURING BOARD ORIENTATION, NEW BOARD MEMBERS ARE ASKED TO VOLUNTEER POTENTIAL CONFLICTS OF INTEREST. DURING ORIENTATION FOR NEW STAFF, THEY ARE ALSO ASKED TO DISCLOSE ANY POTENTIAL CONFLICTS OF INTEREST. ONCE A YEAR, BOARD MEMBERS ARE REQUIRED TO RE-EXAMINE THEIR RELATIONSHIPS AND INTEREST THAT MAY GIVE RISE TO CONFLICTS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>AS PART OF THE HIRING PROCESS, THE RECRUITING AND HIRING COMMITTEE PERFORMS A COMPARISON OF COMPENSATION FOR SIMILAR NON-PROFITS IN DETERMINING THE COMPENSATION UPON HIRING OF THE CHAMBER PRESIDENT.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>AS PART OF THE HIRING PROCESS, THE RECRUITING AND HIRING COMMITTEE PERFORMS A COMPARISON OF COMPENSATION FOR SIMILAR NON-PROFITS IN DETERMINING THE COMPENSATION OF OFFICERS OR KEY EMPLOYEES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS ARE AVAILABLE FOR REVIEW BY MAKING A REQUEST AND APPOINTMENT WITH THE ORGANIZATION'S OFFICE.</ExplanationTxt>
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