Tenn. Code Ann. § 20-4-104: Business office of party

For all civil actions, if the defendant is not a natural person, the action shall be brought in: (1) The county where all or a substantial part of the events or omissions giving rise to the cause of action accrued; (2) The county where any defendant organized under the laws of this state maintains its principal office; or (3) (A) If the defendant is not organized under the laws of this state, the county where the defendant's registered agent for service of process is located; or (B) If the defendant does not maintain a registered agent within this state, the county where the person designated by statute as the defendant's agent for service of process is located. Code 1858, § 2811 (deriv. Acts 1845-1846, ch. 55, § 2; 1849-1850, ch. 136; 1851-1852, ch. 136); Shan., § 4516; Code 1932, § 8643; T.C.A. (orig. ed.), § 20-40; Acts 2011, ch. 510, § 2.

For all civil actions, if the defendant is not a natural person, the action shall be brought in:

(1) The county where all or a substantial part of the events or omissions giving rise to the cause of action accrued;

(2) The county where any defendant organized under the laws of this state maintains its principal office; or

(3) (A) If the defendant is not organized under the laws of this state, the county where the defendant's registered agent for service of process is located; or (B) If the defendant does not maintain a registered agent within this state, the county where the person designated by statute as the defendant's agent for service of process is located.

(A) If the defendant is not organized under the laws of this state, the county where the defendant's registered agent for service of process is located; or

(B) If the defendant does not maintain a registered agent within this state, the county where the person designated by statute as the defendant's agent for service of process is located.