Tenn. Code Ann. § 47-25-1912

This part shall apply to all contracts and shall apply to all retail agreements in effect that have no expiration date and are a continuing contract, and shall apply to all other contracts entered into, amended, extended, ratified or renewed after January 1, 2007. This part shall apply to and be binding upon all suppliers, all successors in interest or purchasers of assets or stock of suppliers, and all receivers, trustees or assignees of suppliers.