Nearly 100,000 voters who haven’t submitted citizenship documents might be prevented from participating in Arizona’s state and local elections.

Nearly 100,000 voters who haven't submitted citizenship documents might be prevented from participating in Arizona's state and local elections

Election officials in Arizona are racing to correct a clerical error that could shut out nearly 100,000 voters from casting ballots in state and local races.

Nearly 100,000 Arizonans who registered to vote over the past 20 years were mistakenly considered to have provided proof of citizenship due to a quirk in the Motor Vehicle Department's system. Why it matters: Arizona voters who can't provide proof of citizenship are only permitted to vote in federal races under a system created by a 2013 U.