Is same-day voter registration available in your state?

(NEXSTAR) – It’s almost Election Day, which means you may soon be heading to the polls, if you haven’t already cast your ballot.

In several cases, the deadline to register to vote has already passed. There are, however, two dozen states that allow you to register moments before you vote.

Only 20 states and the District of Columbia allow same-day voter registration specifically on Election Day:

Two states, Alaska and Rhode Island , allow same-day voter registration only during presidential elections.

Voters in Massachusetts, who cannot register to vote on Election Day, will have the chance to decide whether the state should allow same-day voter registration on Nov. 3.

Currently, voters in Massachusetts, as well as in New York and North Carolina , can only register to vote and cast a ballot on the same day during the early voting period, not on Election Day.

Many states use provisional ballots when it comes to same-day voter registration. These ballots are not counted until your identity has been confirmed. Your vote will still count (if you are who you say you are), but may not be counted until after Election Day.