Mich. Comp. Laws § 423.278

Sec. 8. At any time before the rendering of an order, the chairperson of the arbitration panel, if he or she believes that it would be useful or beneficial to do so, may remand the dispute to the parties for further collective bargaining for a period not to exceed 3 weeks. If the dispute is remanded for further collective bargaining, the time provisions of this act shall be extended for a time period equal to that of the remand. The chairperson of the arbitration panel shall notify the employment relations commission of the remand.