California Code, Penal Code - PEN § 23685

Each lead law enforcement agency investigating an incident shall report to the State Department of Health Services any information obtained that reasonably supports the conclusion that a child 18 years of age or younger suffered an unintentional or self-inflicted gunshot wound inflicted by a firearm that was sold or transferred in this state, or manufactured in this state.  The report shall also indicate whether as a result of that incident the child died, suffered serious injury, or was treated for an injury by a medical professional.