BPC §25667: (a) Any person under the age of 21 years shall be immune from criminal prosecution under subdivision (a) of Section 25662 and subdivision (b) of Section 25658, where the person establishes all of the

(a) Any person under the age of 21 years shall be immune from criminal prosecution under subdivision (a) of Section 25662 and subdivision (b) of Section 25658, where the person establishes all of the following: (1) The underage person called 911 and reported that either himself or herself or another person was in need of medical assistance due to alcohol consumption. (2) The underage person was the first person to make the 911 report. (3) The underage person, who reported that another person was in need of medical assistance, remained on the scene with the other person until that medical assistance arrived and cooperated with medical assistance and law enforcement personnel on the scene. (b) This section shall not provide immunity from criminal prosecution for any offense that involves activities made dangerous by the consumption of alcoholic beverages, including, but not limited to, a violation of Section 23103 of the Vehicle Code, as specified by Section 23103.5 of the Vehicle Code, or a violation of Sections 23152 and 23153 of the Vehicle Code.