Tennessee Code Title 68. Health, Safety and Environmental Protection § 68-14-722

(1) A person eighteen (18) years of age or younger does not need a license or permit to sell bakery goods, homemade or otherwise;  soft drinks;  or other similar food commodities at public events;  and

(2) A person nineteen (19) years of age or older does not need a license or permit to sell bakery goods, homemade or otherwise;  soft drinks;  or other similar food commodities if the person is supporting a 501(c)(3) organization, as described in 26 U.S.C. § 501(c)(3), and a component of the organization's mission is to provide temporary accommodations for children in relationship to their placement in the custody of the department of children's services.