36 CFR §261.5
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The following are prohibited:
- (a)Carelessly or negligently throwing or placing any ignited substance or other substance that may cause a fire.
- (b)Firing any tracer bullet or incendiary ammunition.
- (c)Causing timber, trees, slash, brush or grass to burn except as authorized by permit.
- (d)Leaving a fire without completely extinguishing it.
- (e)Causing and failing to maintain control of a fire that is not a prescribed fire that damages the National Forest System.
- (f)Building, attending, maintaining, or using a campfire without removing all flammable material from around the campfire adequate to prevent its escape.
- (g)Negligently failing to maintain control of a prescribed fire on Non-National Forest System lands that damages the National Forest System.
- (h)Possessing or using an exploding target or any kind of firework or other pyrotechnic device.
- (i)Violating any State law concerning burning or fires or any State law that is for the purpose of preventing or restricting the spread of fire.
- (j)Operating or using any internal or external combustion engine without a spark arresting device that is properly installed, maintained, and in effective working order in accordance with USDA Forest Service Standard 5100-1.