Grace Period Registration Grace Period Registration - Up to and including Election Day: You can also register in person (and vote) at your local elections office during the “grace period.” The grace period starts 27 days before Election Day and ends on Election Day. Grace Period Voting does NOT take place at your regular polling place. Grace Period Voting almost always happens at your Local Election Office. Contact your Local Election Office for more information. See the Cook County Clerk’s Register to Vote page for more details.