36 C.F.R. § 264.4 Unauthorized use.
Title 36 - Parks, Forests, and Public Property
Whoever manufactures, sells, or possesses the insignia, except as provided under §264.2, is subject to criminal penalty under 18 U.S.C. 701.
Title 36: Parks, Forests, and Public Property
PART 264—PROPERTY MANAGEMENT
Subpart A—Official Forest Service Insignia
§ 264.4 Unauthorized use.

