Mich. Comp. Laws § 29.10

Sec. 10. Service of an order of the state fire marshal under section 9, or of any other order made by the state fire marshal under this act, may be made in 1 or more of the following ways: (a) By personally delivering a copy of the order to the person or persons to whom it is directed within this state. (b) By delivering a copy of the order by registered mail, addressed to the last known post-office address of the addressee, and deliverable to the addressee only, with return receipt requested. Service under this subdivision is personal and not substituted service. (c) If a person to whom the order is directed cannot be found, does not have a known post-office address, or is not a resident of this state, by publication in a newspaper published or circulating in the county in which the property or premises described in the order is situated, once in each week for 3 successive weeks, the last publication to be made at least 10 days before the date of performance specified in the order.