Minn. Stat. § 31.115: LAWFUL TO PRODUCE BEVERAGES IN BASEMENTS OR OTHER SUBGRADE AREAS, USE BUILDINGS FOR OTHER PURPOSES.

For the purposes of inspection, licensing, permitting, and registration by the commissioner of agriculture under Minnesota Rules, parts 1550.1650 to 1550.1870, it is lawful to locate in a basement or other subgrade area an installation to manufacture, mix, or compound flavored beverage base or syrup; bottle or treat water; package carbonated or noncarbonated beverages; or bottle beer or other malt beverages. Buildings or portions thereof within the scope of Minnesota Rules, parts 1550.1710 to 1550.1870, may also be used for other purposes.