§ 20‑12.1. Impairedsupervision or instruction.
(a) It is unlawful fora person to serve as a supervising driver under G.S. 20‑7(l) or G.S. 20‑11or as an approved instructor under G.S. 20‑7(m) in any of the followingcircumstances:
(1) While under the influenceof an impairing substance.
(2) After havingconsumed sufficient alcohol to have, at any relevant time after the driving, analcohol concentration of 0.08 or more.
(b) An offense underthis section is an implied‑consent offense under G.S. 20‑16.2. (1977,c. 116, ss. 1, 2; 1981, c. 412, s. 4; c. 747, s. 66; 1983, c. 435, s. 9; 1993,c. 285, s. 2; 1997‑16, s. 7; 1997‑443, s. 32.20.)