“ However, members appointed from among private citizens of the United States shall be allowed travel expenses, including per diem in lieu of subsistence, as authorized by law for persons serving intermittently in the government service (5 U.S.C. 5701-5707) . ”

“ The heads of Executive departments and agencies shall, to the extent provided by law, provide the Commission such information with respect to the compensation of career Federal executives as it may require for purposes of carrying out its functions.
(b) Members of the Commission shall serve without compensation for their work on the Commission. ”