Cal. Penal Code § 193.8

(a) An adult, who is the registered owner of a motor vehicle or in possession of a motor vehicle, shall not relinquish possession of the vehicle to a minor for the purpose of driving if the following conditions exist: (1) The adult owner or person in possession of the vehicle knew or reasonably should have known that the minor was intoxicated at the time possession was relinquished. (2) A petition was sustained or the minor was convicted of a violation of Section 23103 as specified in Section 23103.5, 23140, 23152, or 23153 of the Vehicle Code or a violation of Section 191.5 or subdivision (a) of Section 192.5. (3) The minor does not otherwise have a lawful right to possession of the vehicle. (b) The offense described in subdivision (a) shall not apply to commercial bailments, motor vehicle leases, or parking arrangements, whether or not for compensation, provided by hotels, motels, or food facilities for customers, guests, or other invitees thereof. For purposes of this subdivision, hotel and motel shall have the same meaning as in subdivision (b) of Section 25503.16 of the Business and Professions Code and food facility shall have the same meaning as in Section 113785 of the Health and Safety Code. (c) If an adult is convicted of the offense described in subdivision (a), that person shall be punished by a fine not exceeding one thousand dollars ($1,000), or by imprisonment in a county jail not exceeding six months, or by both the fine and imprisonment. An adult convicted of the offense described in subdivision (a) shall not be subject to driver’s license suspension or revocation or attendance at a licensed alcohol or drug education and counseling program for persons who drive under the influence.