O K L A H O M A
Nov 5 Election:
Voter registration deadline: Oct 11 in-person or by mail—postmarked. Voter registration application
Absentee/mail-in voting: request by 5 pm Oct 21 in person, online, and by mail
State law requires absentee voters to sign an absentee ballot affidavit, which must be notarized. Find more information here
If mailed, filled out ballot due by 7pm Nov 5
If hand delivered, 5pm on Nov 4
Other important election info: OK Voter Portal. Find a list of county election boards for mailing here.