Code of Federal Regulations Title 43. Public Lands:  Interior § 43.9212.2 Fire prevention orders

(1) Identify the public lands, roads, trails or waterways that are closed to entry or restricted as to use;

(2) Specify the time during which the closure or restriction shall apply;

(3) Identify those persons who, without a written permit, are exempt from the closure or restrictions;

(4) Be posted in the local Bureau of Land Management office having jurisdiction over the lands to which the order applies;  and

(5) Be posted at places near the closed or restricted area where it can be readily seen.