Section 20008 Of Division 10. Accidents And Accident Reports From California Vehicle Code >> Division 10.

. (a) The driver of a vehicle, other than a common carrier vehicle, involved in any accident resulting in injuries to or death of any person shall within 24 hours after the accident make or cause to be made a written report of the accident to the Department of the California Highway Patrol or, if the accident occurred within a city, to either the Department of the California Highway Patrol or the police department of the city in which the accident occurred. If the agency which receives the report is not responsible for investigating the accident, it shall immediately forward the report to the law enforcement agency which is responsible for investigating the accident. On or before the fifth day of each month, every police department which received a report during the previous calendar month of an accident which it is responsible for investigating shall forward the report or a copy thereof to the main office of the Department of the California Highway Patrol at Sacramento.
  (b) The owner or driver of a common carrier vehicle involved in any such accident shall make a like report to the Department of California Highway Patrol on or before the 10th day of the month following the accident.