Elections Code § 5102
CHAPTER 2. Parties Qualified to Participate in the Primary Election
No party shall be recognized or qualified to participate in any primary election that either directly or indirectly carries on, advocates, teaches, justifies, aids, or abets the overthrow by any unlawful means of, or that 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.