Colorado Revised Statutes Title 1. Elections § 1-40-134. Withdrawal of initiative petition

The designated representatives of the proponents of an initiative petition may withdraw the petition from consideration as a ballot issue by filing a letter with the secretary of state requesting that the petition not be placed on the ballot. The letter shall be signed and acknowledged by both designated representatives before an officer authorized to take acknowledgments and shall be filed no later than sixty days prior to the election at which the initiative is to be voted upon.