36 CFR § 261.15 - Use of vehicles off roads.
(a) Without a valid license as required by State law.
(b) Without an operable braking system.
(c) From one-half hour after sunset to one-half hour before sunrise unless equipped with working head and tail lights.
(d) In violation of any applicable noise emission standard established by any Federal or State agency.
(e) While under the influence of alcohol or other drug;
(f) Creating excessive or unusual smoke;
(h) In a manner which damages or unreasonably disturbs the land, wildlife, or vegetative resources.