36 C.F.R. § 261.14 Use by over-snow vehicles.
Title 36 - Parks, Forests, and Public Property
It is prohibited to possess or operate an over-snow vehicle on National Forest System lands in violation of a restriction or prohibition established pursuant to 36 CFR part 212, subpart C, provided that the following uses are exempted from this section: (a) Limited administrative use by the Forest Service; (b) Use of any fire, military, emergency, or law enforcement vehicle for emergency purposes; (c) Authorized use of any combat or combat support vehicle for national defense purposes; (d) Law enforcement response to violations of law, including pursuit; (e) Use by over-snow vehicles that is specifically authorized under a written authorization issued under Federal law or regulations; and (f) Use of a road or trail that is authorized by a legally documented right-of-way held by a State, county, or other local public road authority. [70 FR 68291, Nov. 9, 2005]
Title 36: Parks, Forests, and Public Property
PART 261—PROHIBITIONS
Subpart A—General Prohibitions
§ 261.14 Use by over-snow vehicles.