CA Lab Code Section 435

(a)

No employer may cause an audio or video recording to be made of an employee in a restroom, locker room, or room designated by an employer for changing clothes, unless authorized by court order.

(b)

No recording made in violation of this section may be used by an employer for any purpose. This section applies to a private or public employer, except the federal government.

(c)

A violation of this section constitutes an infraction.