Tenn. Code Ann. § 67-4-1509

Annually, on a date determined by the department and on a form created and provided by the department, every local government that imposes a tax set out in § 67-4-1502(a)(1) -(4) shall certify and report to the department the tax rate imposed by the local government. In the event of changes to the rate, the local government shall notify the department, in the manner prescribed by the department. The department shall collect the rate information and make the information accessible to the public.