CA Veh Code Section 27360

(a)

Except as provided in Section 27363, a parent, legal guardian, or driver shall not transport on a highway in a motor vehicle, as defined in paragraph (1) of subdivision (c) of Section 27315, a child or ward who is under eight years of age, without properly securing that child in a rear seat in an appropriate child passenger restraint system meeting applicable federal motor vehicle safety standards.

(b)

Subdivision (a) does not apply to a driver if the parent or legal guardian of the child is also present in the motor vehicle and is not the driver.

(c)

This section shall remain in effect only until January 1, 2017, and as of that date is repealed, unless a later enacted statute, that is enacted before January 1, 2017, deletes or extends that date.