subsection (c)(2)(C), 2 shall have a term of 2 years and 2 shall have a term of 4 years, as designated by the President at the time of appointment. (D) Appointments by Secretary of State Of the initial members appointed under subsection (c)(2)(D), at least 1/3 shall have a term of 2 years and at least 1/3 shall have a term of 4 years, as designated by the Secretary of State at the time of appointment. (3) Additional terms A member of the Advisory Board may be reappointed to not more than 1 additional term but may not be appointed to a different seat on the Board. (e) Quorum A majority of the sitting members of the Advisory Board shall constitute a quorum but a lesser number may hold hearings. (f) Chairperson and Vice Chairperson The Advisory Board shall elect, from among its members, a Chairperson and Vice Chairperson. The terms of office of the Chairperson and Vice Chairperson shall be 1 year, and the Chairperson and Vice Chairperson may be reelected to subsequent terms. (g) Board meetings (1) Frequency The Advisory Board shall meet, at the call of the Chairperson or a majority of its members, at least once every 3 months and as frequently as may be necessary to carry out its duties. (2) Subcommittees The Advisory Board may be divided into subcommittees that meet separately from the whole Board. (h) Briefings with officials Not less frequently than annually, the Advisory Board shall collectively provide to the Secretary of State and the Administrator of the United States Agency for International Development a briefing on— (1) the findings made by the Advisory Board in fulfilling its duties and responsibilities under subsection (b)