Tenn. Code Ann. § 57-5-511

A wholesaler may not waive any of the rights granted in any provision of this part and the provisions of any agreement which would have such an effect shall be null and void; however, if a good faith dispute arises between the parties as to the meaning of any rights or obligations created by this part, or the performance by a party of its obligations, the parties may enter into a written voluntary settlement of the dispute.