Minn. Stat. § 341.32: LICENSE FEES; EXPIRATION; RENEWAL.

Subdivision 1. Annual licensure.

The commissioner may establish and issue annual licenses subject to the collection of advance fees by the commissioner for promoters, judges, referees, ringside physicians, timekeepers, combatants, trainers, and seconds.

Subd. 2. Expiration and application.

Licenses issued on or after January 1, 2023, shall expire one year after the date of issuance. A license may be applied for each year by filing an application for licensure and satisfying all licensure requirements established in section 341.30, and submitting payment of the license fees established in section 341.321. An application for a license and renewal of a license must be on a form provided by the commissioner.