Main Content Section 380.451 friendly link Printer Friendly THE REVISED SCHOOL CODE (EXCERPT)Act 451 of 1976380.451 Repealed. 2004, Act 380, Imd. Eff. Oct. 12, 2004. Compiler's Notes: The repealed section pertained to excise tax on income.Popular Name: Act 451 © 2009 Legislative Council, State of Michigan