California Code, Business and Professions Code - BPC § 19161

(a) All mattresses and mattress sets manufactured for sale in this state shall be fire retardant.  “Fire retardant,” as used in this section, means a product that meets the standards for resistance to open-flame test adopted by the United States Consumer Product Safety Commission and set forth in Section 1633 and following of Title 16 of the Code of Federal Regulations.  The bureau may adopt regulations it deems necessary to implement those standards.

(b) All other bedding products that the bureau determines contribute to mattress bedding fires shall comply with regulations adopted by the bureau specifying that those products be resistant to open-flame ignition.

(c) All seating furniture sold or offered for sale by an importer, manufacturer, or wholesaler for use in this state, including any seating furniture sold to or offered for sale for use in a hotel, motel, or other place of public accommodation in this state, and reupholstered furniture to which filling materials are added, shall be fire retardant and shall be labeled in a manner specified by the bureau.  This does not include furniture used exclusively for the purpose of physical fitness and exercise.

(d) Regulations adopted by the bureau for other bedding products shall not apply to any hotel, motel, bed and breakfast, inn, or similar transient lodging establishment that has an automatic fire extinguishing system that conforms to the specifications established in Section 904.1 of Title 24 of the California Code of Regulations.