; and (iii) each of whom has served as President, Vice President, Secretary of State, Attorney General, Secretary of the Treasury, Secretary of Defense, or Surgeon General. (F) One member, to serve as Chair of the Commission, appointed by simple majority vote of the 16 members appointed under subparagraphs (A) through (E). The Chair may not be any member appointed under such subparagraphs. For purposes of appointing the Chair, a voting quorum shall be established by the presence of 50 percent plus one of the members appointed under such subparagraphs. (2) Failure of appointment If any appointment under paragraph (1) is not made, the Commission shall consist of the members duly appointed. (b) Appointment (1) Initial appointment (A) In general For the initial appointment of members to the Commission, each member under subparagraphs (A) through (E) of subsection (a)(1) shall be appointed not later than 10 days after the date of enactment of this Act. (B) Chair The members of the Commission appointed under subparagraph (A) shall appoint the Chair under subsection (a)(1)(F) not later than 3 days after the date the members are so appointed. (C) Term A member appointed under subparagraph (A) shall serve as a member of the Commission until January 1, 2025. A member so appointed may serve after the expiration of that member’s term until a successor has taken office. (2) Subsequent appointments (A) In general For any appointment of members to the Commission after the initial appointment under paragraph (1), each member under subparagraphs (A) through (E) of subsection (a)(1) shall be appointed not later than January 10 of the year immediately following any year (beginning in 2024) in which a presidential election is held. (B) Chair The members of the Commission appointed under subparagraph (A) shall appoint the Chair under subsection (a)(1)(F) not later than 10 days after the date the members are so appointed. (C) Term A member appointed under subparagraph (A) shall serve on the Commission for a term of 4 years. A member