Terms Used In California Codes > Vehicle Code > Division 11.5 > Chapter 4 > Article 10 - Conflict of Interest

• drug: means any substance or combination of substances, other than alcohol, which could so affect the nervous system, brain, or muscles of a person as to impair, to an appreciable degree, his ability to drive a vehicle in the manner that an ordinarily prudent and cautious man, in full possession of his faculties, using reasonable care, would drive a similar vehicle under like conditions. See California Vehicle Code 312
• Person: includes a natural person, firm, copartnership, association, limited liability company, or corporation. See California Vehicle Code 470