Tenn. Code Ann. § 67-4-2119

The minimum franchise tax payable under this part shall be one hundred dollars ($100). A taxable entity that is incorporated, domesticated, qualified or otherwise registered to do business in Tennessee but is, or has become, inactive in Tennessee, or whose charter, domestication, qualification or other registration is forfeited, revoked or suspended without the entity being properly dissolved, surrendered, withdrawn, cancelled or otherwise properly terminated, shall not be relieved from filing a return and paying the franchise tax, which shall be no less than the one-hundred-dollar minimum, levied by this part for each tax year.