Nothing contained in Sections 705.12 to 705.15 shall apply to the use of a loudspeaker at the County Fair Grounds, athletic contests, political or other lawful gatherings, inside of any school building, church, public hall or regularly established theater or in advertising any meeting or enterprise to be conducted at the County Fair Grounds or by any church, school, lodge or regularly established club, patriotic, or benevolent society.
(1984 Code Sec. 110.34)