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          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
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          <AddressLine1>RESTRICTED</AddressLine1>
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    <IRS990ScheduleO documentId="R000004" softwareId="23018249" softwareVersionNum="v1.00">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>The RadioSurgery Society updated its Bylaws which the RSS membership voted on and approved on September 15, 2023. The Bylaws were updated October 6, 2023 with the following 8 changes. Change 1: Expand the Nominating Committee of the Board of Directors to include four (4) additional members of the society. Change 2: Create mechanism to allow membership to petition for candidates for the Board of Directors. Change 3: Add new Emeritus Board Member position. Change 4: Add language to reflect the professional diversity of the membership and commitment to include appropriate representation of membership on the Board of Directors. Change 5: Add Medical Physics Officer to Board of Directors. Change 6: Add Neurosurgery Officer to Board of Directors. Change 7: Include mechanism for Board of Directors to invest funds. Change 8: Include mechanism for Board of Directors to delegate authority regarding transfer of securities.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>As a society for medical professionals who treat patients with a variety of radiosurgery and radiotherapy devices, our membership is made up of physicians, medical physicists, therapists and other allied health professionals.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Members of the organization vote to elect the board of directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>Members of the organization vote to elect the board of directors. Members also have the right to vote to change the by-laws.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Preliminary draft of the Form 990 will go through a review by the Executive Director. Upon approving the preliminary draft, a review by the Executive Board will be conducted.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Board of Directors and Employees all complete the form annually. Any conflicts are reviewed and addressed by a subcommittee and the Executive Director.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board of Directors uses comparable salary data from salary.com and payscale.com. The board discusses and agrees on an appropriate compensation package. This process is used for the executive director, top managmenet officials and other key employees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Upon written request.</ExplanationTxt>
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