CO HB1086

Only electors who provide proof of citizenship can vote in Colorado elections, with proof required before or on election day.

Acceptable proof of citizenship includes: unexpired U.S. passport, birth certificate with government-issued photo ID, or U.S. naturalization documentation (or naturalization certificate number verified with federal immigration services).

Registered electors with proof of citizenship receive regular mail ballots; those without proof receive provisional ballots that must be returned in person to county clerk's office with citizenship proof provided.

In-person voters must provide proof of citizenship at the polling place if they have not previously provided it; electors voting at other counties need proof to receive a mail ballot.

The statewide voter registration database must record whether each elector has provided proof of citizenship, and provisional ballots returned by mail are rejected and not counted.