New Birth Year Affirmation Requirement on Ballots

In the 2025 Montana Legislative session, House Bill 719 was passed, which now requires voters to provide their year of birth on the affirmation envelope. Please be sure that before submitting your voted ballot to the Election Office, the affirmation envelope includes your signature along with your year of birth. A ballot will be rejected if it does not include these two required items. MCA 13-13-201(e).

This requirement became effective on October 1, 2025.

As standard procedure, the Election Office will always try to reach out to the voter if their ballot is rejected for any reason and try to...