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A record number of Americans are expected to vote by mail in the November general election because of the pandemic — and a record number may have their ballots rejected over signature issues.

In nearly 40 states, election officials check the signatures on the ballot envelopes that voters send back against the ones on file — usually from voter registration forms or motor vehicle departments. A handful of states require voters to fill out their ballot in front of a witness, who must also sign.

If a signature doesn’t appear to match, or the necessary signatures are missing, what happens next depends on the state — and even the county — a voter lives in. Some states require county election officials to give the voter a chance to verify their identity or fix a mistake; others don’t, and their ballots are tossed out.

“There are more opportunities to get tripped up and to have your ballot not counted in mail voting than in in-person voting, said Wendy Weiser, the vice president for democracy at the Brennan Center for Justice. “That said, it’s not going to happen to most people.”

Read the full story on LATimes.com.