California Code, Health and Safety Code - HSC § 17920.8

In addition to any other requirements for location of exit signs or devices in hotels, motels, or apartment houses, the State Fire Marshal shall adopt building standards establishing minimum requirements for the placement of distinctive devices, signs, or other means that identify exits and can be felt or seen near the floor.Exit sign technologies permitted by the model building code upon which the California Building Standards Code is based, shall be permitted. These building standards shall apply to all newly constructed occupancies subject to this section for which a building permit is issued, or construction is commenced, where no building permit is issued on or after January 1, 1989.