Colorado Revised Statutes Title 1. Elections § 1-11-207. Rules for conducting contests for state officers

(a) On the appointed day and hour, the general assembly, with its proper officers, shall convene in joint session.

(b) The president of the senate shall preside; but, when the president is the contestee, the president pro tempore of the senate shall preside.

(c) The parties to the contest shall then be called by the secretary of the senate. If they answer, their appearance shall be recorded.

(d) The testimony of the contestor shall be introduced first, followed by the testimony of the contestee. After the testimony has been presented on both sides, the contestor or contestor's counsel may open the argument, and the contestee or counsel may then proceed to make a defense, and the contestor may be heard in reply.

(e) After the arguments by the parties are completed, any member of the joint session may offer the reasons for the member's intended vote. The session may limit the time for argument and debate.

(f) The secretary of the senate shall keep a regular journal of the proceedings. The decision shall be taken by a call of the members, and a majority of all the votes given shall prevail.