Tennessee Code Title 67. Taxes and Licenses § 67-4-706

(a) For purposes of filing the returns required by § 67-4-715 and paying the taxes levied by §§ 67-4-704 and 67-4-705, every person taxable under §§ 67-4-704 and 67-4-705 shall, prior to engaging in business as defined in § 67-4-702, register with the commissioner or the county clerk, in the case of businesses located within the county, and with the commissioner or the appropriate city official, in the case of businesses located within the incorporated municipality. Any person that is subject to the tax levied by § 67-4-704 but has no established physical location, outlet, or other place of business in the state shall register with the commissioner for purposes of this section.

(b) Any metropolitan government that has levied the taxes authorized by this part may, by resolution of its legislative body, designate the county clerk as the entity responsible for the registration of businesses for the entire metropolitan area.

(c) Subsection (a) notwithstanding, every person described in § 67-4-708(5) and taxable under § 67-4-709(5) shall, prior to engaging in business as defined in § 67-4-702, register with the commissioner in a manner prescribed by the commissioner.