If you are registering for the first time, you should plan on showing “proof of identification” the first time you vote. Proof of identification includes: (1) A current and valid photo identification or (2) A current utility bill, bank statement, government check, paycheck or government document that
shows your name and address.
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 during early voting or on Election Day. You'll have to register at the office of your Local Election Office -- not at a polling place. Contact your Local Election Office for questions about the process or identification requirements.
To register in Montana you must: