Pub. L. 108-447, div. H, tit. I, sec. 185

Sec. 185. During the current fiscal year applicable appropriations to the Department of Transportation shall be available for maintenance and operation of aircraft; hire of passenger motor vehicles and aircraft; purchase of liability insurance for motor vehicles operating in foreign countries on official department business; and uniforms or allowances therefor, as authorized by law (5 U.S.C. 5901–5902).