Persons owning, occupying or in control of any premises shall keep the sidewalks and alleys adjacent thereto free of litter.  In residential areas, owners or occupants shall sweep or rinse off the sidewalks abutting their premises as often as may be required to keep the walk and street reasonably free from dirt, paper and waste.  All owners or persons controlling premises in the central business district of the city shall, at least once each 24 hours, except when the business is closed, sweep the sidewalk in front of their premises down to the curb, and gather up and remove all loose paper and refuse.
(`94 Code, § 93.37) (Ord. 4-1980, passed 5-12-80) Penalty, see § 95.99