Mich. Comp. Laws § 565.22: Unacknowledged deed; effect of filing; continuation.

Sec. 22.

If at the expiration of the time mentioned in the preceding section for that purpose, the proceedings for proving the execution of the deed shall be pending before the circuit court, the effect of filing such copy shall continue until the expiration of 7 days after the termination of the proceedings, if such deed shall within that time be duly proved and recorded.