Mar 29, 2021 Adopted COLORADO RULES OF EVIDENCERules 404, 803, and 901Amended and Adopted by the Court, En Banc, March 29, 2021, effective immediately as to Rules 803 and 901, and effective as to Rule 404 for cases on or after July 1, 2021. Download the rule change (PDF, 917.44 KB)