36 C.F.R. § 504.5 Nuisances.
Title 36 - Parks, Forests, and Public Property
The use of loud, abusive, or otherwise improper language; unwarranted loitering, sleeping or assembly; the creation of any hazard to persons or things; improper disposal of rubbish; spitting, prurient prying; the commission of any obscene or indecent act, or any other unseemly or disorderly conduct on the premises; throwing articles of any kind from or within a building; or climbing upon any part of a building is prohibited.
Title 36: Parks, Forests, and Public Property
PART 504—RULES AND REGULATIONS GOVERNING SMITHSONIAN INSTITUTION BUILDINGS AND GROUNDS
§ 504.5 Nuisances.