Mich. Comp. Laws § 462.24: Orders of commission; rescission or amendment.

Sec. 24.

The commission may, at any time upon application of any person or any common carrier, and upon at least 10 days' notice to the parties interested, including the common carrier, and after opportunity to be heard as provided in section 22, rescind, alter or amend any order fixing any rate or rates, fares, charges or classifications, or any other order made by the commission, and certified copies shall be served and take effect as herein provided for original orders.