services, funds, facilities, staff, and other support services as may be determined advisable. (i) Staff (1) Director The chairperson, in consultation with the vice-chairperson, and in accordance with rules agreed upon by the Commission, may appoint a staff director who shall be paid at a rate not to exceed the rate of basic pay for level IV of the Executive Schedule. (2) Staff With the approval of the Commission, the staff director may appoint such personnel as the staff director determines necessary to enable the Commission to carry out its duties. Such personnel shall be paid at a rate not to exceed the rate of basic pay for level IV of the Executive Schedule. (3) Appointments and compensation The Commission may appoint and fix the compensation of the staff director and staff without regard to the provisions of title 5, United States Code, governing appointments in the competitive service, and without regard to the provisions of chapter 51 and subchapter III of chapter 53 of such title relating to classification and General Schedule pay rates, except that no rate of pay fixed under this subsection may exceed the equivalent of that payable to a person occupying a position at level V of the Executive Schedule. (4) Experts and consultants With the approval of the chairperson, the staff director may procure temporary and intermittent services under section 3109(b) of title 5, United States Code. (5) Detail of Government employees Upon the request of the Commission, the head of any Federal agency may detail, without reimbursement, any of the personnel of such agency to the Commission to assist in carrying out its duties. Any such detail shall not interrupt or otherwise affect the civil service status or privileges of such personnel. (6) Volunteer services Notwithstanding section 1342 of title 31, United States Code, the Commission may accept and use voluntary and uncompensated services as the Commission determines necessary. (j) Security clearances for Commission members and staff The appropriate Federal agencies