; vice chairman (1) Initial chairman An individual shall be designated by the Speaker of the House of Representatives from among the members initially appointed under subsection (b)(1) to serve as chairman of the Commission for a period of 2 years. (2) Initial vice-chairman An individual shall be designated by the majority leader of the Senate from among the individuals initially appointed under subsection (b)(2) to serve as vice-chairman of the Commission for a period of 2 years. (3) Alternate appointments of chairmen and vice-chairmen Following the termination of the 2-year period described in paragraphs (1) and (2), the Speaker and the majority leader shall alternate every two years in appointing the chairman and vice-chairman of the Commission. (f) Terms of members (1) In general Each member appointed to the Commission shall serve for a term of 6 years, except that, of the members first appointed under paragraphs (1) and (2) of subsection (b), 2 members shall be appointed to serve a term of 3 years under each such paragraph. (2) Term limit (A) Member of congress A member of the Commission who is a member of Congress and who serves more than 3 years of a term may not be appointed to another term as a member. (B) Not a member of congress A member of the Commission who is not a member of Congress and who serves as a member of the Commission for more than 4 years may not be appointed to another term as a member. (3) Vacancies Any member appointed to fill a vacancy occurring before the expiration of the term for which the member’s predecessor was appointed shall be appointed only for the remainder of that term. A member may serve after the expiration of that member’s term until a successor has taken office. A vacancy in the Commission shall be filled in the manner in which the original appointment was made. (g) Powers of commission (1) Hearings and sessions The Commission may, for the purpose of carrying out this Act, hold such hearings, sit and act at such times and places, take such testimony, and receive such