The GOP-controlled Ohio Senate is banking on strong revenue projections in a budget bill that would reduce overall income tax rates by 8% and largely preserve a pass-through entity income tax deduction.

The Senate introduced a state operating budget bill June 11, raising the ante for the House-passed budget proposal in a game of lowering tax rates. While the two bills would treat some exemptions differently, the overall trend is downward for all Ohioans’ income taxes.

Gov. Mike DeWine (R) said he wouldn’t seek any tax cuts in his first biennium budget, but rosy revenue projections have shifted the ground...