Tenn. Code Ann. § 45-2-1407: Powers

(a) An out-of-state state bank that establishes and maintains one (1) or more branches in Tennessee under this part may conduct any activities at the branch or branches that are authorized under the laws of this state for Tennessee state banks.

(b) Notwithstanding any other state law to the contrary and in addition to any other activities a state bank may conduct, a Tennessee state bank may conduct any activities at any branch outside Tennessee that are permissible for a bank chartered by the host state where the branch is located, subject to regulation by the commissioner for the purpose of maintaining the state bank's safety and soundness.