Colorado Revised Statutes Title 1. Elections § 1-7.5-108.5. Designation of inactive status in connection with mailing of mail ballots

In connection with any election conducted on or after May 10, 2013, if a mail ballot sent to a registered elector is returned by the United States postal service as undeliverable, the county clerk and recorder shall mark the registration record of that elector with the word “Inactive”. The clerk and recorder shall mail a confirmation card pursuant to section 1-2-605 to any elector whose ballot was returned by the United States postal service as undeliverable.