Michigan business tax: rate; rate increase and election to file under corporate income tax act; provide for, and allow for certain taxpayers. Amends secs. 201 & 500 of 2007 PA 36 (MCL 208.1201 & 208.1500). TIE BAR WITH: HB 4183'25, HB 4182'25, HB 4181'25, HB 4180'25, HB 4185'25, HB 4187'25, HB 4184'25

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PASSAGE PROBABILITY

16.6% Unlikely

Why this number

Stage base Passed First Chamber — base rate 33%, measured from MI's completed sessions
Momentum +6 75/100 from the pace of recorded action
Time since last action -22 543 days quiet

A transparent scoring model over stage, momentum, recency, sponsorship and recorded votes — not a trained predictor. Treat it as a way to rank attention, not as a forecast.