Tennessee Code Title 53. Food, Drugs and Cosmetics § 53-8-123

(a) Notwithstanding any law to the contrary, and except for subdivision (c)(1), the local government's authority under title 13, chapters 7, 16, and 28, and the local government's authority to regulate roadways, traffic, and the provision of utility services, this state is the exclusive regulator of food and drink sellers, vendors, vending machine operators, food establishments, and food service establishments in this state.

(b) A local government, as that term is defined in § 7-51-2001, shall not impose a tax, fee, or otherwise regulate the wholesale or retail sale, manufacture, or distribution of any food or drink, food or drink content, amount of food or drink content, or food or drink ingredients, except as authorized under title 67, chapter 6, or § 67-4-504, or pursuant to a contract with the department of agriculture.

(c) This section: