Section 38603 Of Chapter 8. Recreational Off-highway Vehicles From California Vehicle Code >> Division 16.5. >> Chapter 8.
38603
. (a) A person operating a recreational off-highway vehicle
with a model year of 2014 or later shall not allow a passenger to
occupy a separate seat location not designed and provided by the
manufacturer for a passenger.
(b) Seats that are installed in a separate seat location not
designed and provided by the manufacturer for a passenger in vehicles
with model year of 2013 or earlier may be occupied by a passenger if
the occupant of the seat is fully contained inside of the vehicle's
rollover protection structure at all times while the vehicle is being
operated.