28 C.F.R. § 0.147
The following designated officials are authorized to make the certifications required by 31 U.S.C. 200(c): For the Federal Bureau of Investigation, the Assistant Director, Administrative Services Division; for the Bureau of Prisons, the Assistant Director for Planning and Development; for Federal Prison Industries, Inc., the Secretary; for the Immigration and Naturalization Service, the Comptroller; for the Drug Enforcement Administration, the Director of the Office of Administration and Management; for the Bureau of Alcohol, Tobacco, Firearms, and Explosives, the Assistant Director, Management; for the Office of Justice Assistance, Research and Statistics, the Comptroller; and for all other organizational units of the Department (including U.S. Attorneys and U.S. Marshals), the Deputy Assistant Attorney General, Office of the Controller, Justice Management Division.
28 C.F.R. §0.147