A person holding a retail alcohol license and the person's agents or employees shall not do any of the following:
1. Sell, dispense, or give to any intoxicated person, or one simulating intoxication, any alcoholic beverage.
(Code of Iowa, Sec. 123.49[1])
2. Sell or dispense any alcoholic beverage on the premises covered by the license, or permit its consumption thereon between the hours of 2:00 a.m. and 6:00 a.m. on any day of the week.