Subd. 1. Grounds. A motion for a new trial may be granted to any or all of the parties on all or part of the issues for any of the following causes:
Upon a motion for a new trial, the court may open the judgment if one has been entered, take additional testimony, amend findings of fact and conclusions of law, or make new findings and conclusions, and direct entry of a new judgment.
Subd. 2. Basis Of Motion. A motion for a new trial shall be made pursuant to Rule 15 and shall be made based upon on the files, exhibits, and minutes of the court. Pertinent facts that would not be a part of the minutes may be shown by affidavit. A full or partial transcript of the court reporter's notes may be used on the hearing of the motion.
Subd. 3. Time For Serving and Filing Motion. A notice of motion and motion for a new trial shall be served and filed within fifteen (15) days after service of notice by the court administrator of the filing of the decision or order pursuant to Rule 10. The motion shall be heard within thirty (30) days after such notice of filing.
Subd. 4. Time For Serving and Filing Affidavits. When a motion for a new trial is based upon affidavits, they shall be served and filed with the notice of motion. The opposing party shall have ten (10) days after such service in which to serve and file opposing affidavits, which period may be extended by the court for good cause. The court may permit reply affidavits.
Subd. 5. Order for New Trial On Court's Initiative. Not later than fifteen (15) days after a general verdict or the filing of the decision or order, the court upon its own initiative may order a new trial for any reason for which it might have granted a new trial on a motion of a party. After giving the parties notice and an opportunity to be heard on the matter, the court may grant a motion for a new trial, timely served, for a reason not stated in the motion. The court shall specify in the order the grounds therefore.
Minn. R. Adop. P. 46.02