California Code, Health and Safety Code - HSC § 44036.3

(a) The department shall direct licensed smog check stations and technicians to private diagnostic assistance service information vendors or intermediaries who possess the electronically formatted information acquired under Section 44036.2, or with any other emissions-related information needed to improve the effectiveness of smog checks.

(b) The provisions of this section that apply with respect to 1994 and newer model-year vehicles shall become inoperative if the state board determines that the Environmental Protection Agency has adopted rules relative to the provision of emissions-related service information for 1994 and newer model-year vehicles.