Relating to taxation; prescribing an effective date; providing for revenue raising that requires approval by a three-fifths majority.

Increases corporate minimum tax. Increases rates of corporate excise tax to match personal income tax rates. Repeals provisions allowing personal income taxpayers to elect reduced rate on pass-through nonpassive income or income as sole proprietor. Applies to tax years beginning on or after January 1, 2020. Takes effect on 91st day following adjournment sine die.