Tenn. Code Ann. § 50-7-103: Saving clause

(a) The general assembly reserves the right to amend or repeal all, or any part of, this chapter at any time; and there shall be no vested private right of any kind against the amendment or repeal.

(b) All the rights, privileges or immunities conferred hereby or by acts done pursuant thereto shall exist subject to the power of the general assembly to amend or repeal this chapter at any time.