California Code, Government Code - GOV § 57139

If a special election or elections is called upon an order of reorganization which provides for a consolidation or the formation of a new district, or both, or upon an order of consolidation, members of the legislative body and other officers of the consolidated district or the new district, as the case may be, shall be selected in the manner provided by the principal act.  If the principal act or the terms and conditions of the reorganization or consolidation provide for the election of the officers or members, they shall be nominated in the manner provided in the principal act and shall be voted upon at the special election or elections upon the question of confirming the order of reorganization or consolidation.  If the order of reorganization or consolidation is confirmed at the special election or elections, the officers or members of the legislative body of the consolidated district or the new district, as the case may be, who are elected at the election or elections shall become the officers or members of the legislative body of the consolidated district or new district.