; and (C) paragraph (1)(C) may serve for the life of the Commission, unless removed by a majority vote of the Council of Economic Advisors. (3) Chair and vice chair The chair and vice chair of the Commission shall be elected by a majority vote of the members of the Commission. (4) Vacancy A vacancy in the Commission shall not affect the power of the remaining members to execute the functions of the Commission and shall be filled in the same manner as the original appointment is made. (5) Compensation (A) Nongovernment members Except as provided in subparagraph (C), members of the Commission shall be entitled to a sum equivalent to the compensation paid at level V of the Executive Schedule under section 5315 of title 5, United States Code. (B) Travel and per diem While away from their homes or regular places of business in the performance of services for the Commission, members of the Commission shall be allowed travel expenses, including per diem in lieu of subsistence, in the same manner as the expenses authorized by section 5703 of title 5, United States Code, for persons in the Government service employed intermittently. (C) Prohibition of compensation of federal officers or employees Members of the Commission who are full-time officers or employees of the United States or Members of Congress may not receive additional pay, allowances, or benefits in the nature of compensation by reason of their service on the Commission. (d) Rules (1) Meetings The Commission shall meet at the call of the chair or a majority of members of the Commission. (2) Quorum A majority of members of the Commission shall constitute a quorum, and actions by the Commission shall be determined by a majority vote of the members present. (3) Proxy voting If unable to attend a meeting of the Commission, a member of the Commission appointed under subsection (c)(1)(C) may authorize another member to act and vote on behalf of the absent member. (4) Attendance Members appointed under subparagraph (A) or (B) of subsection (c)(1) shall be removed