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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERS OF SISO, INC. ARE THOSE WHO HAVE BEEN ELECTED TO ONE OF THE THREE MAIN SISO COMMITTEES (EXECUTIVE COMMITTEE, CONFERENCE COMMITTEE, STANDARDS ACTIVITY COMMITTEE) WHO HAVE CERTIFIED THAT THEIR EMPLOYERS HAVE NO OBJECTION TO THEIR SERVING IN THE LEADERSHIP OF A 501(C)(3) ORGANIZATION. ALL ARE UNPAID VOLUNTEERS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS IS ELECTED BY THE MEMBERS OF SISO, INC.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>A PDF COPY OF FORM 990 IS EMAILED TO THE EXECUTIVE DIRECTOR, PRESIDENT, AND SUBSEQUENTLY TO ALL MEMBERS OF THE BOARD OF DIRECTORS. ALL BOARD OF DIRECTORS ACKNOWLEDGE RECEIPT OF THE COMPLETE COPY OF FORM 990 PRIOR TO FILING WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>AFTER THE ANNUAL ELECTION OF THE BOARD OF DIRECTORS, BOTH NEW DIRECTORS AND CONTINUING DIRECTORS ARE REQUIRED TO REVIEW THE SISO, INC. CONFLICT OF INTEREST POLICY AND EACH DIRECTOR AND EXECUTIVE DIRECTOR SIGNS THAT: A. HAS RECEIVED A COPY OF THE CONFLICTS OF INTEREST POLICY, B. HAS READ AND UNDERSTANDS THE POLICY, C. HAS AGREED TO COMPLY WITH THE POLICY, AND D. UNDERSTANDS THE ORGANIZATION IS CHARITABLE AND IN ORDER TO MAINTAIN ITS FEDERAL TAX EXEMPTION IT MUST ENGAGE PRIMARILY IN ACTIVITIES WHICH ACCOMPLISH ONE OR MORE OF ITS TAX-EXEMPT PURPOSES. ADDITIONALLY, EACH DIRECTOR OR EXECUTIVE DIRECTOR HAVING A FINANCIAL INTEREST IS REQUIRED TO DISCLOSE THE FINANCIAL INTEREST AND THE REMAINING DIRECTORS EXAMINE THE FINANCIAL INTEREST AND DETERMINE IF A CONFLICT OF INTEREST EXITS. IF A CONFLICT OF INTEREST IS DETERMINED TO EXIST, THE BOARD OF DIRECTORS FOLLOW THE PROCEDURES IN THE CONFLICT OF INTEREST POLICY WHEN CONDUCTING BUSINESS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>David Drake and Dr. Katherine Morse are husband and wife, and both serve as Directors of SISO. Both of them are well-recognized subject matter experts in simulation, especially in the specialty areas of simulation developed and maintained by SISO. Both of them have decades of experience in simulation research, development, and standardization.</ExplanationTxt>
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</Return>