36 C.F.R. § 520.15 Weapons and explosives.
Title 36 - Parks, Forests, and Public Property
No person while on the premises shall carry firearms, other dangerous or deadly weapons, or explosives, either openly or concealed, except for official purposes, nor shall any person discharge or set off any firework or explosive of any nature on the premises.
Title 36: Parks, Forests, and Public Property
PART 520—RULES AND REGULATIONS GOVERNING THE BUILDINGS AND GROUNDS OF THE NATIONAL ZOOLOGICAL PARK OF THE SMITHSONIAN INSTITUTION
§ 520.15 Weapons and explosives.
