Minn. Stat. § 345.51: JUDICIAL ACTION UPON DETERMINATIONS.

Any person aggrieved by a decision of the commissioner or as to whose claim the commissioner has failed to act within 90 days after the filing of the claim, may commence an action in the district court to establish a claim. The proceeding shall be brought within 90 days after the decision of the commissioner or within 180 days from the filing of the claim if the commissioner fails to act. The action shall be tried de novo without a jury.