Section 34715 Of Chapter 2. General Provisions And Definitions From California Vehicle Code >> Division 14.9. >> Chapter 2.

. No new passenger vehicle, except a passenger vehicle certified by its manufacturer as having been manufactured prior to September 1, 1973, shall be sold or registered on and after September 1, 1973, unless it has a manufacturer's warranty that it is equipped with an appropriate energy-absorption system that meets the requirement for energy absorption systems set by the National Highway Traffic Safety Administration.