Colorado Revised Statutes Title 8. Labor and Industry § 8-41-103. Availability of common-law defenses

If an employer has complied with the provisions of articles 40 to 47 of this title, including the provisions thereof relating to insurance, and an action is brought against such employer or such employer's insurance carrier to recover damages for personal injuries or death sustained by an employee who has elected not to come under said articles, such employer and such employer's insurance carrier shall have all the defenses to the action which they would have had if said articles and part 2 of article 2 of this title had not been enacted.