C.R.S. § 14-10-106.5

(1) Any person who enters into a civil union in Colorado pursuant to article 15 of this title consents to the jurisdiction of the courts of Colorado for the purpose of any action relating to a civil union even if one or both parties cease to reside in this state. In a matter seeking a dissolution, legal separation, or declaration of invalidity of a civil union, the court shall follow the procedures that are set forth in this article for dissolution, legal separation, or declaration of invalidity. The provisions of this article and any case law construing this article apply to the dissolution, legal separation, or declaration of invalidity of a civil union. (2) The court shall follow the laws of Colorado in a matter filed in Colorado that is seeking a dissolution, legal separation, or invalidity of a civil union that was entered into in another jurisdiction.