Tennessee Code Title 67. Taxes and Licenses § 67-2-124

(a) The reduction to the rate of tax made by chapter 1064 of the Public Acts of 2016 shall not be construed to absolve any taxpayer of liability for any tax duly levied by this chapter, during a tax year that began prior to January 1, 2016.

(b) It is the legislative intent that the tax be reduced by one percent (1%) annually through enactments of general bills beginning with the first annual session of the 110th general assembly.

(c) The income tax levied by this chapter is eliminated for tax years that begin on or after January 1, 2021; provided, however, that this subsection (c) shall not be construed to absolve any taxpayer of liability for any tax duly levied by this section, during a tax year that began prior to January 1, 2021.