No person under the age of 21 years shall purchase or knowingly possess, transport or have under his or her control in any motor vehicle without the presence of a person over the age of 21 years any alcoholic liquor unless the person is employed by a licensee under the Michigan Liquor Control Act, Public Act 58 of 1998 (Extra Session), being M.C.L.A. §§ 436.1101 et seq. and is possessing, transporting or having such liquor in a motor vehicle under his or her control during regular working hours and in the course of his or her employment.
(O.C. § 9.84)