Michigan Statutes350-1980-4A - PART 4A MEDICARE SUPPLEMENT CERTIFICATES (550.1451...550.1499a)Section 550.1451-550.1499a - Repealed. 2002, Act 559, Imd. Eff. Sept. 27, 2002;—2006, Act 462, Imd. Eff. Dec. 20, 2006.