Section 600.8138 - Seventy-third-a and seventy-third-b districts(1) The seventy-third-a district consists of the county of Sanilac and is a district of the first class. Under section 810a, the probate judge for the county of Sanilac shall serve as judge of the seventy-third-a district.(2) Until April 1, 2012, the seventy-third-b district consists of the county of Huron, is a district of the first class, and has 1 judge. Beginning April 1, 2012, the seventy-third-b district consists of the county of Huron and is a district of the first class. Under section 810a, a probate judge for the county of Huron shall serve as judge of the seventy-third-b district.Amended by 2012, Act 36,s 3, eff. 2/28/2012.Amended by 2011, Act 300,s 9, eff. 12/22/2011.Add. 1968, Act 154, Imd. Eff. 6/17/1968 ;--Am. 1998, Act 46, Imd. Eff. 3/30/1998.