Cal. Gov. Code § 23374.3
The content of the notice of election for the election to select the county officers for the approved county and the location of the county seat in the approved county shall be determined by the board of supervisors of the principal county. The notice of election shall include a statement that any city council in a city within the approved county or any member or members of the council authorized by the council, any qualified elector entitled to vote at the election, any bona fide association of citizens, or any combination of qualified electors and associations may submit and file written arguments with the elections official of the principal county for printing and distribution in the ballot pamphlet, in accordance with Section 9163 of the Elections Code.
Ca. Gov. Code § 23374.3