Mich. Comp. Laws § 500.1238

Sec. 1238. (1) When applying for a license to act as an agent, solicitor, counselor, or adjuster, the applicant shall report his or her mailing and electronic mail address to the commissioner. An agent, solicitor, counselor, or adjuster shall notify the commissioner of any change in his or her mailing or electronic mail address within 30 days after the change. The commissioner shall maintain the mailing and electronic mail address of each agent, solicitor, counselor, or adjuster on file. (2) A notice of hearing or service of process may be served upon an agent, solicitor, counselor, or adjuster in any action or proceeding for a violation of this act by mailing the notice or process by first class mail to the agent's, solicitor's, counselor's, or adjuster's mailing address reported to the commissioner under subsection (1).