California Code, Business and Professions Code - BPC § 7507.6

(a) Within seven days after a violent act has occurred involving a licensee, or any officer, partner, qualified certificate holder, registrant, or employee of a licensee, while acting within the course and scope of his or her employment or contract, that results in a police report or bodily harm or bodily injury, the licensee or the licensee's qualified certificate holder or registrant, shall mail or deliver to the chief a notice concerning the incident upon a form provided by the bureau.

(b) Within seven days after the occurrence of a violent act or a threatened violent act involving a licensee, or any officer, partner, qualified certificate holder, registrant, or employee of a licensee, while acting within the course and scope of his or her employment or contract, that results in a police report or bodily harm or bodily injury, the licensee or the licensee's qualified certificate holder or registrant shall send by certified mail, return receipt requested, a notice containing information about the incident to the person or individual who made the assignment.  If the assignor is not the legal owner, the assignor shall notify the legal owner of the contents of the notice.

(c) A licensee, qualified certificate holder, or registrant may send the notice set forth in subdivision (b) for a violent act or threatened violent act even if a police report is not made or no bodily harm or bodily injury occurs.  Any notice of a threatened violent act provided pursuant to subdivision (b) may only be used to notify a subsequent assignee and not for any collateral purpose.  Nothing in this subdivision or subdivision (b) shall be construed to provide immunity against any claim for defamation.