: 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