C.R.S. § 31-1-202
31-1-202. Cities or towns retaining prior status
31-1-202. Cities or towns retaining prior status. Every city or town incorporated prior to July 3, 1877, which chooses to retain such organization, in the enforcement of the powers or the exercise of the duties conferred by the special charter or general law under which the same is incorporated, shall proceed in all respects as provided by such special charter or general law and shall not be affected nor the powers or duties thereof in any manner changed or abridged by any provisions of this title.