No person may spit on: any footpath or sidewalk of any public street or public square; the floor or anywhere else in any public building under the control of the Mayor and City Council of Baltimore; the floor, platform, or steps of any railroad, bus, or other common carrier or of any depot or station; the floor or steps of any theater, store, factory, or other building that is used in common by the public; the floor of any hall or office used in common by the guests of a hotel or lodging house. City Code, 1976/83, art. 11, §138 Ord. 99-548