Cal. Elec. Code § 7643
This committee shall conduct party campaigns for this party and in behalf of the candidates of this party. It shall appoint committees and appoint and employ campaign directors and perfect whatever campaign organizations it deems suitable or desirable and for the best interest of the party.
This committee shall have power to appoint interim county central committees in all counties in which the voters have not elected one or more county central committee members in the presidential primary preceding the organization of this committee. Persons appointed to interim county central committees pursuant to this section shall meet the qualifications otherwise required by Chapter 4 (commencing with Section 7650) for appointees to fill vacancies on county central committees. Notice of all appointments pursuant to this section shall be filed by the state central committee with the elections official of the county for which that interim county central committee is appointed. Interim county central committees appointed pursuant to this section shall have all of the powers and privileges afforded county central committees by the provisions of Chapter 4 (commencing with Section 7650), but members of interim county central committees shall not be designated as incumbents on the ballot in the succeeding primary election.
Ca. Elec. Code § 7643