Colorado Code
Part 2 - Counting Mail Ballots
§ 1-7.5-207. Voter Verification - Mail Ballot Information

Each county clerk and recorder shall provide electors, upon request, with information on whether the mail ballot cast by the elector was received by the county clerk and recorder, including an online mail ballot tracking system or response by other electronic or telephonic means.
Source: L. 2013: Entire part added, (HB 13-1303), ch. 185, p. 740, § 92, effective May 10.