C.R.S. § 1-4-1007

Any vacancy in a nomination for a minor political party candidate occurring after the filing of the certificate of designation pursuant to section 1-4-1304 (3) and no later than seventy days before the general or congressional vacancy election, which is caused by the declination, death, disqualification, or withdrawal of any person nominated by the minor political party, may be filled by the person or persons designated in the constitution or bylaws of the minor political party to fill vacancies.