People who are not already registered to vote have until the end of the day Tuesday to register in time for the Nov. 4 general election.

Officials in the Douglas County clerk’s office said applications being sent by mail must be postmarked no later than Tuesday. People can also register in person at the Douglas County Courthouse before 5 p.m., or through the county clerk’s website, www.douglascountyelections.com, before midnight.

People registering for the first time in their county must also provide proof of U.S. citizenship with their application.

Registered voters can begin voting by advance ballot on Wednesday. Douglas County voters may cast advance ballots in person at the courthouse from 8 a.m. to 5 p.m. Wednesday through Friday this week. Starting Saturday, Oct. 25, additional advance balloting locations will be available in various locations throughout the county.

A schedule of advance balloting times and locations is also available on the county clerk’s website.

Voters may also call the county clerk’s office at 832-5267 for information about how to request an advance ballot by mail.