Cal. Ed. Code § 89537
"Unprofessional conduct" as used in Section 89535 includes, but is not limited to, willful advocacy of the overthrow of the government of the United States or of the state, by force, violence or other unlawful means, either on or off the campus.
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 of the Government Code, 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.
Ca. Educ. Code § 89537