Michigan Compiled Laws, Chapter 257. Motor Vehicles § 257.316

Sec. 316. The secretary of state shall file each application for an operator's or chauffeur's license and index the application by name and number. The secretary of state shall maintain suitable records of licenses issued, applications for licenses denied, and a record of licenses which have been revoked, canceled, or suspended. The secretary of state shall note upon those records each conviction, civil infraction determination, and probate court finding of the person to whom the license is granted, as provided in this act, and shall preserve those records for not less than 6 years after the date of application.