Cal. HSC § 44102

(a) The state board, the Department of Motor Vehicles, and the department shall harmonize the requirements and implementation of this program with the motor vehicle inspection program and other programs contained in this chapter, particularly the provisions relating to gross polluters in Article 8 (commencing with Section 44080) and the repair or removal of high polluters in Article 9 (commencing with Section 44090). (b) Insofar as practicable, these programs shall be seamless to the participants and the public.