Tennessee Code Title 56. Insurance § 56-2-507

(a) The court in any action or proceeding in which service is made in the manner provided in § 56-2-506 may, in its discretion, order a postponement necessary to afford the company reasonable opportunity to defend the action or proceeding.

(b) Nothing in this section is to be construed to prevent an unauthorized foreign or alien company from filing a motion to quash a writ or to set aside service of the motion made in the manner provided in § 56-2-506 on the ground that the unauthorized company has not done any of the acts referred to in § 56-2-107.