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Cal. Veh. Code § 23153

Offenses Involving Alcohol and Drugs

Applied in 20 court decisions — leading case Kernan v. Cuero (2017)

Most recently applied in Farmers Direct Property and Casualty Insurance Company v. Montez (March 2025)

Amended by Stats. 2016, Ch. 765, Sec. 2

How often courts cite this section

20162020202570
citing decisions per year

Court decisions citing this, by year. The dip in the last several years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the most recent years, so recent citations are undercounted.

(a) It is unlawful for a person, while under the influence of any alcoholic beverage, to drive a vehicle and concurrently do any act forbidden by law, or neglect any duty imposed by law in driving the vehicle, which act or neglect proximately causes bodily injury to any person other than the driver.

(b) It is unlawful for a person, while having 0.08 percent or more, by weight, of alcohol in his or her blood to drive a vehicle and concurrently do any act forbidden by law, or neglect any duty imposed by law in driving the vehicle, which act or neglect proximately causes bodily injury to any person other than the driver.

In any prosecution under this subdivision, it is a rebuttable presumption that the person had 0.08 percent or more, by weight, of alcohol in his or her blood at the time of driving the vehicle if the person had 0.08 percent or more, by weight, of alcohol in his or her blood at the time of the performance of a chemical test within three hours after driving.

(c) In proving the person neglected any duty imposed by law in driving the vehicle, it is not necessary to prove that any specific section of this code was violated.

(d) It is unlawful for a person, while having 0.04 percent or more, by weight, of alcohol in his or her blood to drive a commercial motor vehicle, as defined in Section 15210 and concurrently to do any act forbidden by law or neglect any duty imposed by law in driving the vehicle, which act or neglect proximately causes bodily injury to any person other than the driver. In a prosecution under this subdivision, it is a rebuttable presumption that the person had 0.04 percent or more, by weight, of alcohol in his or her blood at the time of driving the vehicle if the person had 0.04 percent or more, by weight, of alcohol in his or her blood at the time of performance of a chemical test within three hours after driving.

(e) Commencing July 1, 2018, it shall be unlawful for a person, while having 0.04 percent or more, by weight, of alcohol in his or her blood to drive a motor vehicle when a passenger for hire is a passenger in the vehicle at the time of the offense, and concurrently to do any act forbidden by law or neglect any duty imposed by law in driving the vehicle, which act or neglect proximately causes bodily injury to any person other than the driver. For purposes of this subdivision, “passenger for hire” means a passenger for whom consideration is contributed or expected as a condition of carriage in the vehicle, whether directly or indirectly flowing to the owner, operator, agent, or any other person having an interest in the vehicle. In a prosecution under this subdivision, it is a rebuttable presumption that the person had 0.04 percent or more, by weight, of alcohol in his or her blood at the time of driving the vehicle if the person had 0.04 percent or more, by weight, of alcohol in his or her blood at the time of performance of a chemical test within three hours after driving.

(f) It is unlawful for a person, while under the influence of any drug, to drive a vehicle and concurrently do any act forbidden by law, or neglect any duty imposed by law in driving the vehicle, which act or neglect proximately causes bodily injury to any person other than the driver.

(g) It is unlawful for a person, while under the combined influence of any alcoholic beverage and drug, to drive a vehicle and concurrently do any act forbidden by law, or neglect any duty imposed by law in driving the vehicle, which act or neglect proximately causes bodily injury to any person other than the driver.

Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.