28 C.F.R. § 0.154
The Director of the Federal Bureau of Investigation, the Director of the Bureau of Prisons, the Commissioner of Federal Prison Industries, the Commissioner of Immigration and Naturalization, the Administrator of the Drug Enforcement Administration, the Director of the Bureau of Alcohol, Tobacco, Firearms, and Explosives, the Director of the United States Marshals Service, and the Director of the Office of Justice Assistance, Research and Statistics, as to their respective jurisdictions, and the Assistant Attorney General for Administration, as to all other organizational units of the Department (including U.S. Attorneys), are hereby authorized to exercise the authority vested in the Attorney General by sections 5522-5527 of title 5, U.S. Code, and Executive Order 10982 of December 25, 1961, and to administer the regulations adopted by the Attorney General in Order No. 269-62 with respect to advance and evacuation payments and special allowances.
28 C.F.R. §0.154