Mich. Comp. Laws § 3.71: Jurisdiction of supreme court to hear and decide cases involving congressional redistricting plan.

Sec. 1.

The supreme court has original and exclusive state jurisdiction to hear and decide all cases and controversies in Michigan's 1 court of justice involving a congressional redistricting plan. A case or controversy in Michigan's 1 court of justice involving a congressional redistricting plan shall not be commenced in or heard by the state court of appeals or any state trial court. If a case or controversy involves a congressional redistricting plan but an application or petition for review was not filed under section 2 or 3, the supreme court may, but is not obligated to, undertake all or a portion of the procedures described in section 4.