It is unlawful and punishable as provided in Section 10.24.050 for any person who is a habitual user of or under the influence of any narcotic drug, or who is under the influence of any other drug to a degree which renders him incapable of safely driving a motor vehicle, to drive a motor vehicle within this municipality.
The fact that any person charged with a violation of this section is, or has been, entitled to use such a drug under the laws of this state shall not constitute a defense against any charge of violating this section.
(Ord. 321 Art. 3 § 1(c), 1974).