Minn. Stat. § 116.33

In a prosecution for an offense under sections 116.21 to 116.35 , it is sufficient proof of the offense to establish that it was committed by an employee or agent of the accused whether or not the employee agent is identified or has been prosecuted for the offense, unless the accused establishes that the offense was committed without the accused's knowledge or consent and that the accused exercised all due diligence to prevent its commission.