PUBLIC LAW 101-628—NOV. 28, 1990 104 STAT. 4505 (3) The chair of the Advisory Council on Historic Preservation, or his or her designee. (4) Three individuals appointed by the Speaker of the United States House of Representatives in consultation with the Chairman and Ranking Minority Member of the Committee on Interior and Insular Affairs. (5) Three individuals appointed by the President Pro Tempore of the United States Senate in consultation with the Chairman and Ranking Minority Member of the Committee on Energy and Natural Resources. (b) CHAIR.— The Commission shall elect a chair from among its members. (c) VACANCIES.—Vacancies occurring on the Commission shall not affect the authority of the remaining members of the Commission to carry out the functions of the Commission. Any vacancy in the Commission shall be promptly filled in the same manner in which the original appointment was made. (d) QUORUM.—A simple majority of Commission members shall constitute a quorum. (e) MEETINGS.—The Commission shall meet at least quarterly or upon the call of the chair or a majority of the members of the Commission. (f) COMPENSATION.— Members of the Commission shall serve without compensation. Members of the Commission, when engaged in official Commission business, shall be entitled to travel expenses, including per diem in lieu of subsistence, in the same manner as persons employed intermittently in government service under section 5703 of title 5, United States Code. (g) TERMINATION. —The Commission established pursuant to this section shall terminate 90 days after the transmittal of the report to Congress as provided in section 8(c). SEC. 1206. STAFF OF THE COMMISSION. 16 USC la-5 (a) EXECUTIVE DIRECTOR. — The Director of the National Park Service, or his or her designee, shall serve as the Executive Director of the Commission. (h) STAFF. — The Director of the National Park Service shall, on a reimbursable basis, detail such staff as the Commission may require to carry out its duties. (c) STAFF OF OTHER AGENCIES.— Upon the request of the Commission, the head of any Federal agency may detail, on a reimbursable basis, any of the personnel of such agency to the Commission to assist the Commission in carrying out its duties. (d) EXPERTS AND CONSULTANTS. —Subject to such rules as may be adopted by the Commission, the Commission may procure temporary and intermittent services to the same extent as authorized by section 310903) of title 5, United States Code, but at rates determined by the Commission to be reasonable. SEC. 1207. POWERS OF THE COMMISSION. 16 USC la-5 (a) IN GENERAL. —The Commission may for the purpose of carry- ing out this title hold such hearings, sit and act at such times and places, take such testimony, and receive such evidence as the Commission may deem advisable. OJ) BYLAWS.—The Commission may make such bylaws, rules and regulations, consistent with this title, as it considers necessary to carry out its functions under this title.