Corporate income tax: flow-through entities; flow-through entity tax, retirement or pension benefits, corporate income tax rate, credits and revenue distribution; create, and modify. Amends secs. 30, 623 & 695 of 1967 PA 281 (MCL 206.30 et seq.) & adds secs. 254 & 675 & pt. 4.  TIE BAR WITH: HB 4782'19