SAN MATEO COUNTY (KPIX 5) — Federal authorities are keeping a close eye on San Mateo County ahead of Tuesday’s midterm elections.

The Department of Justice is taking a look at the county’s election because it’s using a cutting-edge ballot system for the first time.

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“Well, we are the first county under the California Voters’ Choice Act to conduct elections under a new model which is an all-mail ballot, with an election center an all drop-off locations,” explained Jim Irazarry, the Assistant Chief of Elections for the county.

The process is well-underway in preparation for Tuesday’s ballot casting. Ballots collected by mail and at drop-off locations are already moving through the sorting facility.

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The DOJ is specifically focusing on voting materials that are being sent out in Spanish and Chinese.

This situation offers what might be a glimpse into California’s voting future: a slow disappearance of the neighborhood polling place.

“We’re seeing brisk voting going on right now, we’re outpacing the 2014 election considerably,” said Irazarry.

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The other counties trying this ballot system in 2018 are Napa, Nevada, Madera and Sacramento Counties, all of which are on the DOJ’s watch list.