Cal. Code Regs. tit. 13, § 1242
(a) Approvals. Each fire extinguisher shall have been rated and labeled by one of the following test labs approved by the State Fire Marshal to test and label portable fire extinguishers for sale in California.
(f) School Bus Fire Extinguishers. In addition to the other requirements of this section, school buses shall be equipped with one or two extinguishers having an aggregate rating of not less than 8B:C units, provided each extinguisher is rated at not less than 4B:C. A wheelchair school bus shall be equipped with two extinguishers, each one rated at not less than 8B:C; one to be placed in the driver's compartment and the other at the wheelchair loading door or emergency exit.
(g) Modified Limousines. A modified limousine shall be equipped with at least two readily accessible and fully charged fire extinguishers having at least a 2A10BC 5 pound rating and maintained in efficient operating condition. One fire extinguisher shall be securely mounted in the driver's compartment and at least one shall be securely mounted in the passenger compartment, as those terms are defined in Section 1267.1. Fire extinguishers mounted in these locations shall be readily accessible to the passengers within the design of the vehicle while the vehicle is in motion. Fire extinguishers located in the vehicle trunk, a baggage compartment, or other location which is separated from the passenger compartment by a seat back, partition, or other impediment are not deemed readily accessible to the passengers within the design of the vehicle while the vehicle is in motion.
Every motor vehicle or combination of vehicles (except those otherwise specified below) shall be equipped with one fully charged fire extinguisher having at least a 4B:C rating.
Note: Authority cited: Sections 31401, 34501, 34501.5, 34501.8 and 34508, Vehicle Code; and Section 39831, Education Code. Reference: Sections 28062, 31401, 34501, 34501.5, 34501.8 and 34508, Vehicle Code; and Section 39831, Education Code.
1. Amendment of subsection (c) filed 7-30-80; designated effective 9-1-80 (Register 80, No. 31).
2. Amendment of subsection (c) filed 5-15-81; effective thirtieth day thereafter (Register 81, No. 20).
3. Amendment filed 11-5-81; effective thirtieth day thereafter (Register 81, No. 45).
4. Amendment filed 10-28-82; effective thirtieth day thereafter (Register 82, No. 44).
5. Amendment filed 10-28-86; effective thirtieth day thereafter (Register 86, No. 44).
6. Amendment of subsection (c) filed 8-16-88; operative 9-15-88 (Register 88, No. 34).
7. Amendment of subsection (d) filed 1-25-2016; operative 4-1-2016 (Register 2016, No. 5).
8. New subsections (g)-(g)(2) and amendment of Note filed 7-31-2017 as an emergency; operative 7-31-2017 (Register 2017, No. 31). A Certificate of Compliance must be transmitted to OAL by 1-29-2018 or emergency language will be repealed by operation of law on the following day.
9. Certificate of Compliance as to 7-31-2017 order transmitted to OAL 1-19-2018 and filed 2-27-2018 (Register 2018, No. 9).