Tenn. Code Ann. § 68-104-116: Private acts and municipal ordinances unaffected.

This chapter shall not affect the validity of any private act, nor any city ordinance further prohibiting or restricting the sale or use of fireworks; provided, that in counties with a population of not less than fifty-eight thousand seventy-five (58,075) nor more than fifty-eight thousand one hundred seventy-five (58,175), according to the 1980 federal census or any subsequent federal census, § 68-104-105 shall control.