 This follows failed attempts to abolish it in 1964 and 2001-2002 after voter referenda repealing abolition.With a $5 million appropriation in SB 13, however, a voter referendum is no longer possible due to a constitutional prohibition on referenda on bills appropriating moneys by the Legislature.In 2018, Michigan voters passed a constitutional amendment ballot proposal that restored straight-ticket voting, which went around the prohibition on appropriated money bills.