House Bill 5332 - Income tax; returns; mandatory unitary filing for ... Income tax; returns; mandatory unitary filing for certain taxpayers with a certificated credit; eliminate. http://www.legislature.mi.gov/mileg.aspx?page=getobject&objectname=2012-HB-5332 Fri, 04 May 2012 04:01:42 GMT House Bill 5332 assigned PA 70'12 with immediate effect... Income tax; returns; mandatory unitary filing for certain taxpayers with a certificated credit; eliminate. http://www.legislature.mi.gov/mileg.aspx?page=getobject&objectname=2012-HB-5332 http://www.legislature.mi.gov/mileg.aspx?page=getobject&objectname=2012-HB-5332 Fri, 04 May 2012 04:01:42 GMT