Mich. Comp. Laws § 561.6: Court determination of interest in, or title to, land not covered by decree or order.

Sec. 6.

After 3 years from the entering of the decree provided for in section 2 of this act, and no petition having been filed under section 5 of this act with respect to any particular parcel of land which is or may be owned by the state or any agency or political subdivision thereof, the circuit court may, on its own motion or on motion of the prosecuting attorney, determine interests in or title to any parcel of land not covered by any decree or order of the court. It shall be the duty of the prosecuting attorney to furnish the court with such evidence as shall be available. The prosecuting attorney shall serve personally or by registered mail all parties in interest as shown by the public records.