; experts and consultants (1) Staff Subject to rules prescribed by the Commission, the Chairperson may appoint and fix the pay of a staff director and additional personnel as the Chairperson considers appropriate. (2) Applicability of certain civil service laws The staff director and personnel of the Commission may be appointed without regard to the provisions of title 5, United States Code, governing appointments in the competitive service, and may be paid without regard to the provisions of chapter 51 and subchapter III of chapter 53 of that title relating to classification and General Schedule pay rates, except that an individual so appointed may not receive pay in excess of the annual rate of basic pay for level V of the Executive Schedule. (3) Personnel as Federal employees The staff director and any employee of the Commission shall be employees under section 2105 of title 5, United States Code, for purposes of chapters 63, 81, 83, 84, 85, 87, 89, and 90 of that title. (4) Detailees Any Federal Government employee may be detailed to the Commission without reimbursement from the Commission, and such detail shall be without interruption or loss of civil service status or privilege. (5) 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. (6) Experts and consultants The Commission may procure temporary and intermittent services under section 3109(b) of title 5, United States Code, but at rates for individuals not to exceed the daily rate paid to a person occupying a position at level IV of the Executive Schedule. (g) Powers of Commission (1) Hearings and sessions The Commission may, for the purposes of carrying out this section, hold hearings, sit and act at times and places, take testimony, and receive evidence as the Commission considers appropriate. (2) Obtaining official data The Commission may secure directly from any department or agency of the United States