44 U.S.C. § 2706

(a) Upon request of the Committee, the head of any Federal agency is authorized to detail to the Committee, on a nonreimbursable basis, any of the personnel of such agency to assist the Committee in carrying out the duties referred to under section 2703 and such detail shall be without interruption or loss of civil service status or privilege. (b) For purposes of supporting the Committee, the Archivist may obtain the services of experts and consultants in accordance with the provisions of section 3109 of title 5 , United States Code, but at rates for individuals not to exceed the daily equivalent of the minimum annual rate of basic pay payable for GS–16 of the General Schedule under section 5332 of such title.