Mich. Comp. Laws § 476.13: Discontinuance of service; written notice; order; revocation of certificate.

Sec. 13.

A motor carrier of general commodities authorized by this act to operate shall not discontinue any service established under this act without an order of the commission. A motor carrier of general commodities shall provide written notice of discontinuance to the commission in accordance with the rules of the commission. A certificate of authority under which service is discontinued for more than 30 days without the previous order of the commission authorizing the discontinuance may be revoked after notice.