Licensees, agents and employees of licensees and persons acting on behalf of licensees shall not yell, shout, cry out, blow a horn, ring a bell, or use any sound-amplifying devices, such as loudspeakers, microphones, radio, sound-amplifying systems, or any other similar devices for the purpose of attracting attention to any goods, wares or merchandise if the sound emitted creates, permits, continues or permits to continue any unreasonably loud, disturbing or unnecessary noise. Licensees, agents and employees of licensees shall not conduct any business activities between the hours of eight p.m. of any day and the hour of eight a.m. of the following day. (Ord. 04-004 (part), 2004)