No license may be issued to nor renewed for an inebriate, alcoholic, drug addict or insane person committed by a court until such person has been restored to competency in a court, or in the case of an inebriate, alcoholic or drug addict until he has supplied satisfactory evidence that he is no longer addicted to the excessive use of alcohol or drugs, as the case may be.
Mont. Admin. r. 23.3.210
Sec. 44-1-103 MCA;