44 U.S. Code § 3319 - Director and staff; experts and consultants
(a) The Commission shall appoint a Director who shall be paid at a rate not to exceed the rate of basic pay in effect for level V of the Executive Schedule (5 U.S.C. 5316).
(1) The Commission may procure temporary and intermittent services to the same extent as is authorized by section 3109 (b) of title 5, United States Code, but at rates for individuals not to exceed the daily equivalent of the annual rate of basic pay in effect for grade GS–15 of the General Schedule (5 U.S.C. 5332).