The official ballot text reads as follows: “Shall Article II, Section 28 of the Constitution of Tennessee be amended by adding the following sentence at the end of the final substantive paragraph within the section: Notwithstanding the authority to tax privileges or any other authority set forth in this Constitution, the Legislature shall not levy, authorize or otherwise permit any state or local tax upon payroll or earned personal income or any state or local tax measured by payroll or earned personal income; however, nothing contained herein shall be construed as prohibiting any tax in effect on January 1, 2011, or adjustment of the rate of such tax.
There is no general state income tax in Tennessee. There is, however, an income tax on dividends from stocks and interest on certain bonds. This income tax is known as the “Hall Income Tax.” The tax rate is 6%. Constitutionally, Tennessee could enact an income tax on wages, salaries and so on. Amendment 3 would amend the constitution to prohibit the possibility of an income tax in the future.
It is all detailed on BallotPedia
My take on it To ban income taxes yes to let them impose an income tax no