Your official mail ballot envelope has a barcode that identifies it as yours. When you return your voted ballot to the Registrar of Voters, your mail ballot envelope will be scanned on a mail sorting machine, capturing an image of your signature.
County staff will verify your signature on the mail ballot return envelope compares to the signature on your voter registration record before the ballot is removed from the envelope and counted with other mail ballots with high-speed, accurate scanners. How you vote remains confidential as there is nothing on the ballot itself that identifies it as yours.
If your signature does not compare to the signature on file with your voter registration or you forget to sign your ballot return envelope, the Registrar of Voters will notify you by mail and provide you with an opportunity to resolve the issue.