(a) All indoor air cleaning devices are required to display an ozone emissions certification label [as defined in Section 94801(a)(20)] on the product packaging after completion of requirements of Section 94804 prior to sale in California, unless satisfying the requirements for exemption as specified in Section 94803.

(b) For non-medical devices, the label shall be at least 1 inch by 2 inches in size, easily readable, and shall state “Meets California ozone emissions limit. CARB certified” in bold type whose uppercase letters are not less than 3 mm high. Very small air cleaning devices, including dual-function devices, may use a smaller label, although it must include the required language, be easily readable, and be approved by CARB staff prior to certification. In no case shall the label be placed on the bottom of the packaging.

(c) For medical devices, the label shall be in compliance with federal law, including Section 801.415 of Title 21 of the Code of Federal Regulations. The label shall also state “CARB certified”.

(d) All electronic indoor air cleaning devices (both medical and non-medical) are required to display the safety certification or listing mark on the device, consistent with the ANSI/UL Standard 867 requirements or, for in-duct devices, the CSA C22.2 no. 187-20 requirements of the appropriate NRTL safety certification organization, after completion of requirements of Sections 94804 and 94805 and prior to sale in California, unless the device satisfies the requirements for exemption as specified in Section 94803. Devices qualifying as “mechanical filtration only” devices as described in Section 94801(a)(24) and Section 94804(b) and portable air cleaning devices using only UVGI lamp(s), with or without mechanical filtration, as described in Section 94801(a)(38) and Section 94804(b) shall display the ANSI/UL Standard 507 certification mark. Dual-function devices with an air cleaning component, as described in Section 94801(a)(13), shall display the certification or listing mark for the appropriate electrical safety test for its primary function.

(e) Any indoor air cleaning device that is advertised or sold via the Internet or by catalog but that has not been certified according to Section 94804, and is not exempt from certification according to Section 94803, must display the following advisory in a prominent place on the primary web pages, catalog pages, and related materials where such device is advertised or displayed for sale: “Does not meet California air cleaner regulation requirements; cannot be shipped to California.” This advisory must be displayed prior to customers entering their purchase information.