Colorado Revised Statutes Title 31. Government Municipal § 31-11-104. Ordinances--initiative--conflicting measures

(1) Any proposed ordinance may be submitted to the legislative body of any municipality by filing written notice of the proposed ordinance with the clerk and, within one hundred eighty days after approval of the petition pursuant to section 31-11-106(1), by filing a petition signed by at least five percent of the registered electors of the city or town on the date of such notice. The proposed ordinance may be adopted without alteration by the legislative body within twenty days following the final determination of petition sufficiency. If vetoed by the mayor, the proposed ordinance may be passed over the mayor's veto within ten days after the veto. If the proposed ordinance is not adopted by the legislative body, the legislative body shall forthwith publish the proposed ordinance as other ordinances are published and shall refer the proposed ordinance, in the form petitioned for, to the registered electors of the municipality at a regular or special election held not less than sixty days and not more than one hundred fifty days after the final determination of petition sufficiency, unless otherwise required by the state constitution. The ordinance shall not take effect unless a majority of the registered electors voting on the measure at the election vote in favor of the measure.

(2) Alternative ordinances may be submitted at the same election, and, if two or more conflicting measures are approved by the people, the one that receives the greatest number of affirmative votes shall be adopted in all particulars as to which there is a conflict.