Mich. Comp. Laws § 500.1268

Sec. 1268. (1) When applying for a certificate, the applicant shall report his or her mailing and electronic mail address to the director. A certificate holder shall notify the director of a change in his or her mailing or electronic mail address within 30 days after the change. The director shall maintain the mailing and electronic mail address of each certificate holder on file. (2) A notice of hearing or service of process may be served upon a certificate holder in an action or proceeding for a violation of this act by mailing the notice or process by first-class mail to the certificate holder's mailing address reported to the director under subsection (1).