2000—Pub. L. 106–408 amended section generally. Prior to amendment, section read as follows: “Out of the deductions set aside for administering and executing this chapter and the Migratory Bird Conservation Act, the Secretary of the Interior is authorized to employ such assistants, clerks, and other persons in the city of Washington and elsewhere, to be taken from the eligible lists of the Civil Service; to rent or construct buildings outside of the city of Washington; to purchase such supplies, materials, equipment, office fixtures, and apparatus; and to incur such travel and other expenses, including purchase, maintenance, and hire of passenger-carrying motor vehicles, as he may deem necessary for carrying out the purposes of this chapter.”