An operator's license shall not be issued to any person under 18 years of age. Any person who has previously held a junior operator's license in Vermont prior to application for a license under this section shall have held that license for a minimum of six months or until age 18 and maintained a record without any suspensions, revocations, or recalls for the six-month period preceding licensure under this section. (Amended 1959, No. 195, § 1; 1999, No. 140 (Adj. Sess.), § 1.)