California Code, Health and Safety Code - HSC § 44002

The department shall have the sole and exclusive authority within the state for developing and implementing the motor vehicle inspection program in accordance with this chapter.

For the purposes of administration and enforcement of this chapter, the department, and the director and officers and employees thereof, shall have all the powers and authority granted under Division 1 (commencing with Section 1) and Division 1.5 (commencing with Section 475) and Chapter 20.3 (commencing with Section 9880) of Division 3 of the Business and Professions Code and under Chapter 33 (commencing with Section 3300) of Title 16 of the California Code of Regulations. Inspections and repairs performed pursuant to this chapter, in addition to meeting the specific requirements imposed by this chapter, shall also comply with all requirements imposed pursuant to Division 1 (commencing with Section 1) and Division 1.5 (commencing with Section 475) and Chapter 20.3 (commencing with Section 9880) of Division 3 of the Business and Professions Code and Chapter 33 (commencing with Section 3300) of Title 16 of the California Code of Regulations.