Subdivision 1.Ineligible persons.
The following persons shall not be entitled to possess ammunition or a pistol or semiautomatic military-style assault weapon...
(10) a person who:
(iii) is an unlawful user of any controlled substance as defined in chapter 152. The use of medical cannabis flower or medical cannabinoid products by a patient enrolled in the registry program or the use of adult-use cannabis flower, adult-use cannabis products, lower-potency hemp edibles, or hemp-derived consumer products by a person 21 years of age or older does not constitute the unlawful use of a controlled substance under this item;