Labor Code § 6409.2
CHAPTER 3. Responsibilities and Duties of Employers and Employees
Whenever a state, county, or local fire or police agency is called to an accident involving an employee covered by this part in which a serious injury or illness, or death occurs, the responding agency shall immediately notify the nearest office of the Division of Occupational Safety and Health by telephone. Thereafter, the division shall immediately notify the appropriate prosecuting authority of the accident.