A foreign corporation authorized to transact business in this state on January 1, 1988, is subject to chapters 51-68 of this title but is not required to obtain a new certificate of authority to transact business under chapters 51-68 of this title.
Application to qualified foreign corporations
Tenn. Code Ann. § 48-68-102, under General Provisions.
Tenn. Code Ann. § 48-68-102