California Code
ARTICLE 1 - Members
Section 7215.

7215. A committee may remove any member, other than an ex officio member, who during his or her term of membership affiliates with, or registers as a member of another party, who publicly advocates that the voters should not vote for the nominee of this party for any office, or who gives support or avows a preference for a candidate of another party or candidate who is opposed to a candidate nominated by this party.

(Enacted by Stats. 1994, Ch. 920, Sec. 2.)