Colorado Revised Statutes Title 1. Elections § 1-12-208. Unexpired terms less than ninety days

No person shall be elected to fill a vacancy in an elective office when the unexpired term is, at the time of the election, less than ninety days. In such case, the person appointed to fill the vacancy shall continue to hold the office for the remainder of the unexpired term and until the successor elected at the election is duly qualified.