Colorado Code
Part 2 - Qualifications and Registration of Electors
§ 1-13.5-201. Registration Required

Except where a statute specifically provides otherwise, no person is permitted to vote at any local government election without first having registered to vote in Colorado in accordance with the "Uniform Election Code of 1992", articles 1 to 13 of this title.
Source: L. 2014: Entire article added, (HB 14-1164), ch. 2, p. 9, § 6, effective February 18.