California Code, Insurance Code - INS § 12402.1

(a) Permit any person or entity in the business of title insurance in this state to become a member at a reasonable cost and without discrimination;

(b) Permit any member to withdraw at any time upon written notice;

(c) Prohibit any act or agreement by which any person or entity is restrained from lawfully engaging in the business of title insurance in this state;

(d) Require that the commissioner be given prompt notification of every change in any of the items described in subdivisions (a), (b), and (c) of Section 12402.