36 C.F.R. § 504.12 Items to be checked.
Title 36 - Parks, Forests, and Public Property
Umbrellas, canes (not needed to assist in walking), or other objects capable of inflicting damage to property or exhibits may be required to be checked in buildings where checking facilities are provided.
Title 36: Parks, Forests, and Public Property
PART 504—RULES AND REGULATIONS GOVERNING SMITHSONIAN INSTITUTION BUILDINGS AND GROUNDS
§ 504.12 Items to be checked.
