You should plan on showing “proof of identification” when you vote in person in New Hampshire. See the section on Voter ID Requirements for a complete list of valid forms of ID.
Election Day Registration:
If you have missed the voter registration deadline, you can still register to vote and a cast a ballot at the same time on Election Day. Simply go to your regular polling place or early voting site to register and vote. Contact your Local Election Office for questions about the process or identification requirements.
To register in New Hampshire you must: