California Code, Government Code - GOV § 83102

(a) The Attorney General, the Secretary of State, and the Controller shall each appoint one member of the Commission.

(b) If the Attorney General, the Secretary of State, and the Controller are all members of the same political party, the chair of the state central committee of any other political party with a registration of more than five hundred thousand may submit to the Controller a list of not less than five persons who are qualified and willing to be members of the Commission.  The list shall be submitted not less than ten days after the effective date of this chapter for the Controller's initial appointment, and not later than January 2 immediately prior to any subsequent appointment by the Controller.  If the Controller receives one or more lists pursuant to this section, the Controller's appointment shall be made from one of such lists.