Wis. Stat. § 788.13
Notice of a motion to vacate, modify or correct an award must be served upon the adverse party or attorney within 3 months after the award is filed or delivered, as prescribed by law for service of notice of a motion in an action. For the purposes of the motion any judge who might make an order to stay the proceedings in an action brought in the same court may make an order, to be served with the notice of motion, staying the proceedings of the adverse party to enforce the award.
Wis. Stat. § 788.13
The time limit under this section does not apply when the prevailing party moves to confirm under s. 788.09 and an adverse party wishes to raise objections under ss. 788.10 and 788.11. Milwaukee Police Ass'n v. Milwaukee, 92 Wis. 2d 145, 285 N.W.2d 119 (1979). Under federal labor law, this section governs challenges to arbitration decisions. Teamsters Local No. 579 v. B&M Transit, Inc., 882 F. 2d 274 (1989).