Minn. Stat. § 193.34

The use of armories for the regular meetings or functions of those patriotic societies or recognized military service members organizations holding charters from Congress or incorporated in this state shall be granted by the armory board or officer in charge of any armory at such times and under such circumstances as not to interfere with the use of the armory for military purposes by the company or companies quartered therein, subject to the armory rules as are in force governing the use of such armories.