Section 23576 Of Article 5. Additional Penalties And Sanctions From California Vehicle Code >> Division 11.5. >> Chapter 2. >> Article 5.

. (a) Notwithstanding Sections 23575 and 23700, if a person is required to operate a motor vehicle in the course and scope of his or her employment and if the vehicle is owned by the employer, the person may operate that vehicle without installation of an approved ignition interlock device if the employer has been notified by the person that the person's driving privilege has been restricted pursuant to Sections 23575 and 23700 and if the person has proof of that notification in his or her possession, or if the notice, or a facsimile copy thereof, is with the vehicle.
  (b) A motor vehicle owned by a business entity that is all or partly owned or controlled by a person otherwise subject to Sections 23575 and 23700, is not a motor vehicle owned by the employer subject to the exemption in subdivision (a).