16-3-305. Sale of alcoholic beverages during closed hours unlawful -- lawful business need not be closed. During the hours when the licensed establishments where alcoholic beverages are sold at retail are required by this code to be closed, it shall be unlawful to sell, offer for sale, give away, consume, or allow the consumption of alcoholic beverages. When an establishment licensed to sell alcoholic beverages is operated in conjunction with a hotel, restaurant, bus depot, railway terminal, grocery store, pharmacy, or other lawful business other than that of the sale of alcoholic beverages, then such other lawful business need not be closed.