Colorado Revised Statutes Title 13. Courts and Court Procedure § 13-5-133. Judges may sit en banc--purpose--rules

(1) In any district court composed of more than one judge, the judges may sit en banc at such times as they may determine, for the purpose of making rules of court, the appointment of a clerk and other employees, subject to the provisions of section 13-3-105, and other ministerial duties, subject to the administrative powers delegated to the chief judge by the chief justice of the supreme court pursuant to section 5(4) of article VI of the state constitution.

(2) Subject to the approval of the chief justice of the supreme court, a district court sitting en banc may make rules:

(3) Judges of a district court in districts having more than one judge may sit en banc only for the purposes enumerated in this section, and the court so sitting en banc shall have no power to review any order, decision, or proceeding of the court held by any judge sitting separately.