Minn. R. 7870.0420
PAYMENT OF CLASS A AND B LICENSE FEES
A Class A or B license does not become effective until the commission receives a certified check or bank draft to the order of the state of Minnesota in the amount of the license fee as prescribed by Minnesota Statutes, section 240.10 . The Class A license fee is not refundable. The Class A and B licenses are void if the license fee is not received within ten days, as computed pursuant to Minnesota Statutes, section 645.15 . The commission must refund promptly to the licensee any amount by which the Class B license fee paid exceeds the number of actual days of racing sponsored and managed by the licensee.