Tenn. Code Ann. § 50-5-210

Petition for contract approval under this part shall be filed with and, when granted, approved by the court handling probate matters for the county in which the minor resides, where the minor is employed or where the minor performs or renders the minor's services, or intends to do so; or the county in this state where performance of the contract shall be conducted, if the minor is not a resident of the state where the majority of the services are performed and the non-minor party to the contract is either a resident of this state or has been qualified or licensed to do business in the state.