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Can California voters fix a problem on their mail-in ballot?

A voter completes her mail-in ballot at a ballot party at a private residence in Laguna Niguel on Oct. 24, 2018. (ROBYN BECK/AFP via Getty Images)

If a ballot is tossed because of some issue — maybe a missing signature or it got damaged — will the voter be notified that the ballot’s been invalidated? And can the voter cast a new ballot?

This is a tough one — because the rules vary from state to state. The National Conference of State Legislatures has a state-by-state rundown, but that list isn’t comprehensive so voters should check with their local elections officials to understand their options.


If you lose your mail-in ballot or make a mistake, you can contact your county elections office to request a second ballot be sent.

If you returned your mail-in ballot without a signature, your local elections office can mail you a document called an unsigned ballot statement. You have up to 28 days after the election to return it.

California is among 18 states that require voters be notified if their ballot has a missing or mismatched signature, and allows them to correct the error.

Voters in the Golden State must be notified of the mistake at least eight days before the election results are certified. They will be given until 5 p.m. two days before the election is certified to provide an in-person signature verification. If the absentee ballot envelope was missing a signature, the deadline for the voter to submit an unsigned ballot statement is 5 p.m. on the eighth day after the election.

In California, the certification date is 38 days after the election, which falls on Dec. 11 this year.

Voter advocacy groups worry that those unaccustomed to voting by mail will make some kind of error that could invalidate their vote. A study by the U.S. Election Assistance Commission estimates that 1% of mail-in ballots were rejected in the 2016 presidential election. Experts say the main reason was because ballots did not arrive in time.

States that allow so-called “ballot curing” require elections officials to notify voters when something’s wrong with a ballot, such as a missing signature or if their signature doesn’t match the one on file. The voter will be given a chance to correct it.

Other states have adopted temporary rules on voting by mail — or absentee voting — because of the high interest spawned by the coronavirus pandemic.

Depending on the state, the voter could be notified by mail, email or phone. The deadlines for officials to notify voters again varies by state, and so does the time that a voter has to correct the discrepancy.

Some states allow voters to track their absentee ballots.

The easiest way to cure a ballot, of course, is an ounce of prevention: read voting instructions carefully and double-check that the proper signatures are in place. If you registered when renewing your driver’s license, be sure your signature resembles the one on it.