Vote-by-mail ballots may also be returned at Secure Ballot Intake Stations (drop boxes) at the Supervisor of Elections’ main and branch offices during early-voting hours and at early voting sites in your county. Secure Ballot Intake Stations will not be available outside of operating hours. Please contact your Supervisor of Elections or visit their website for the locations and hours of all vote-by-mail ballot secure drop boxes in the county. Note: Recent legislation prohibits the use of mobile drop boxes.