Colorado Revised Statutes Title 1. Elections § 1-13.5-304. Withdrawal from nomination

Any person who has been nominated and who has accepted a nomination, or filed a self-nomination form or letter, may cause his or her name to be withdrawn from such nomination at any time before the election by executing a written affidavit withdrawing from the nomination. The withdrawing candidate shall sign the affidavit and file it with the designated election official.