Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.76110

Sec. 76110. (1) Within 10 days after recovery of abandoned property, a person with a permit issued pursuant to section 76109 shall report the recovery in writing to the department. The person recovering the abandoned property shall give authorized representatives of the department and the department of history, arts, and libraries an opportunity to examine the abandoned property for a period of 90 days after recovery. Recovered abandoned property shall not be removed from this state without written approval of the department and the department of history, arts, and libraries. If the recovered abandoned property is removed from the state without written approval, the attorney general, upon request from the department or the department of history, arts, and libraries, shall bring an action for the recovery of the property.

(2) If the department of history, arts, and libraries determines that the recovered abandoned property does not have historical value, the department of history, arts, and libraries shall release the property to the person holding the permit by means of a written instrument.