Download a voter registration form here. 1  You may register to vote at DMV offices in North Carolina. 2  You can register by mail by filling out the voter registration form and mailing it in to your county board of elections.3  You may also contact your county board of elections office to receive a form in the mail.he deadline to register to vote in North Carolina is 25 days before Election Day. Registration forms that are received by the county board of elections office or postmarked by the deadline are accepted as valid applications for the upcoming election.