Cal. Bus. & Prof. Code § 2555

Certificates issued under this chapter may in the discretion of the board be suspended or revoked or subjected to terms and conditions of probation for violating or attempting to violate this chapter, Chapter 5.4 (commencing with Section 2540) or any regulation adopted under this chapter or, Chapter 5.4 (commencing with Section 2540), or Section 651, 654, or 655, or for incompetence, gross negligence, or repeated similar negligent acts performed by the registrant or by an employee of the registrant. The proceedings shall be conducted in accordance with Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code, and the board shall have all the powers granted therein.