Cal. Government Code - GOV § 18200. Section 18200.
A person shall not be knowingly employed by any state agency or court who either directly or indirectly carries on, advocates, teaches, justifies, aids, or abets a program of sabotage, force and violence, sedition, or treason against the Government of the United States or of this state.
Any person employed by any state agency or court shall be immediately discharged from his employment when it becomes known to his appointing power that he has, during the period of his employment, committed any such act.
Money appropriated from the treasury shall not be expended to compensate any person whose employment is forbidden by this section.
If the provisions of this section are in conflict with the provisions of a memorandum of understanding reached pursuant to Chapter 12 (commencing with Section 3560) of Division 4 of Title 1, the memorandum of understanding shall be controlling without further legislative action, except that if such provisions of a memorandum of understanding require the expenditure of funds, the provisions shall not become effective unless approved by the Legislature in the annual Budget Act.