Tenn. Code Ann. § 62-26-218: Municipality or county - Licensing requirement prohibited - Business tax permitted

(a) No licensee or registrant shall be required to obtain any authorization, permit or license from or pay any other fee or post a bond in any municipality, county or other political subdivision of this state to engage in any business or activity regulated under this part.

(b) Notwithstanding subsection (a), a municipality, county or other political subdivision of this state may impose a bona fide business tax.