Requires 55% approval because it adds language to the state constitution.

Shall there be an amendment to the Colorado Constitution requiring a voter to sign and include the last four digits of their social security number or their Colorado driver’s license or identification card number on the outside of their mail ballot for any federal or state election, and, in connection therewith, allowing the voter to correct missing or incorrect information, including with alternative forms of identification; and prohibiting a county clerk and recorder from counting the mail ballot unless the problem is fixed?

One of six measures backed by Advance Colorado

• Text of initiative #362 (PDF)
• Colorado Amendment 84, Require Voter Identification Number for Mail-In Ballots Initiative (2026) - Ballotpedia

Designated representatives

Registered issue committees