C.R.S. § 31-1-207

As soon as the statement is published, as provided in section 31-1-206 , showing that any city may change in classification to a town, the governing body of such city may adopt and publish such ordinances as may be necessary to perfect such organization in respect to the election, duties, and compensation of officers and with respect to all other necessary matters. All ordinances of any city shall remain in force after its organization as a town so far as such ordinances may be applicable to such town.