Michigan Compiled Laws, Chapter 600. Revised Judicature Act of 1961 § 600.309a

Sec. 309a. (1) The legislature finds and declares all of the following:

(2) This section applies only if a party seeks relief from a circuit court judgment entered in a civil action based on a jury verdict on any of the following grounds:

(3) If a circuit court order grants relief to a party as described under subsection (2), an opposing party may file an appeal of right from that order to the court of appeals. Action in the circuit court must be stayed while the matter is on appeal.

(4) In an appeal of right to the court of appeals under subsection (3), the court shall take appropriate steps toward ensuring, consistent with the appellate court rules, a timely processing of the appeal.

(5) This section does not apply to an action to which section 6098  1 applies.

(6) This section applies only to an action, case, or proceeding commenced after the date this section takes effect.