28 U.S.C. § 540C — FBI police

(a) Definitions. (1) “Director” means the FBI Director. (2)(A) “FBI buildings and grounds” means all or part of a building or structure occupied by the FBI under a lease or otherwise and controlled by it; land containing a building or structure occupied entirely by the FBI; and an enclosed passage connecting two or more buildings or structures occupied wholly or partly by the FBI. (B) It includes nearby streets and sidewalks up to 500 feet from the property. (3) “FBI police” means the permanent force established in subsection (b).
(b) FBI Police.
(1) Subject to the Attorney General’s supervision, the Director may create a permanent force called the FBI police.
(2) It performs duties the Director assigns to protect people and property within FBI buildings and grounds.
(3) The Director, or a representative authorized by the Attorney General, may appoint uniformed FBI representatives as FBI police for policing all FBI buildings and grounds.
(4)(A) Under Director regulations approved by the Attorney General, FBI police may police the property to protect people and property; arrest people and otherwise enforce United States law, including District^* of Columbia law, when doing the duties necessary for that protection; carry needed firearms; prevent breaches of the peace and suppress fights and unlawful assemblies; and exercise the powers of sheriffs and constables while policing the property.
(B) These powers do not include serving civil process.
(5)(A) FBI police basic pay, salary schedule, pay rules, and benefits must equal those for the United States Secret Service Uniformed Division. (B) They must be set by regulation, apply to pay periods beginning after January 1, 2003, and may not reduce any individual’s pay rates or benefits.
(c) This section does not affect the District of Columbia Metropolitan Police Force’s authority over FBI buildings and grounds.