MORE: How to make sure your vote counts: Don’t delay, follow instructions
That information is compared to the county’s database of 370,000 registered voters, said Steve Harsman, deputy director of the Montgomery County Board of Elections.
RELATED VIDEO: Absentee ballots must be carefully marked
Voters are also asked to provide a phone number or email so board officials can contact them if information is missing or there is a problem with the information that was provided. The voter can then provide the correct information so that the ballot is valid.
Absentee voting begins Oct. 6 and Election Day is Nov. 3.
To learn more see our full story on how to vote early by absentee ballot or in person.
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RELATED VIDEO: Coronavirus safety measures in place for Montgomery Co. early voting center
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