Mich. Comp. Laws § 213.67: Discontinuance.

Sec. 17.

The agency shall not discontinue the action after the granting of possession or vesting of title to the property taken. In case of a discontinuance, the agency, as a condition of discontinuance, shall pay the actual expenses, reasonable attorney fees, and actual damages to all the parties affected by the discontinuance as determined by the court.