California Code, Streets and Highways Code - SHC § 19090

Within 30 days after acquiring jurisdiction to proceed, the board of supervisors shall by resolution order that an election be held in the proposed district to determine whether or not the district shall be formed. The board may establish one or more voting precincts within the district and appoint one inspector, one judge, and two clerks residing in the district for each voting precinct to conduct the election, which shall be held on the next established election date not less than 130 days after the date of the resolution ordering it to be held.