Section 53153 Of Article 8. Costs Of Emergency Response From California Government Code >> Division 2. >> Title 5. >> Part 1. >> Chapter 1. >> Article 8.
53153
. For purposes of this article, a person is under the
influence of an alcoholic beverage or any drug, or the combined
influence of an alcoholic beverage and any drug, when as a result of
drinking an alcoholic beverage or using a drug, or both, his or her
physical or mental abilities are impaired to a degree that he or she
no longer has the ability to operate a motor vehicle, boat or vessel,
or aircraft with the caution characteristic of a sober person of
ordinary prudence under the same or similar circumstances. For
purposes of this article, the presumptions described in Sections
23152 and 23155 of the Vehicle Code shall apply.