Minnesota Statutes Public Safety (Ch. 299A-299N) § 299F.785. Black powder

No person shall manufacture, assemble, warehouse, or store black powder for purposes of wholesale or retail sale without being licensed to do so by the commissioner of public safety. The license shall be as prescribed bysection 299F.73, subdivision 2. Persons who purchase more than five pounds of black powder shall provide suitable identification to the licensee and the licensee shall record the person's name and date of birth, date of purchase, and amount purchased. Additional information may be required by the commissioner. The records maintained by the licensee must be open to the inspection of any peace officer acting in the normal course of duties.Persons shall notify the appropriate local fire official before storing more than five pounds of black powder.