43 C.F.R. § 9239.2-3 Responsibility for execution of law.
Title 43 - Public Lands: Interior
The execution of this law devolves primarily upon the officers of the Department of Justice, but as it is the purpose to free the public lands from unlawful enclosures and obstructions, it is deemed incumbent upon the officers of the Department of the Interior to furnish the officers of the Department of Justice with the evidence necessary to a successful prosecution of the law.
Title 43: Public Lands: Interior
PART 9230—TRESPASS
Subpart 9239—Kinds of Trespass
§ 9239.2-3 Responsibility for execution of law.