Colo. Const. art. XIV, § 12
The general assembly shall provide for the election or appointment of such other county officers and such municipal officers of statutory cities and towns as public convenience may require; and their terms of office shall be as prescribed by statute.
Source: Entire article added, effective August 1, 1876, see L. 1877, p. 68. L. 69: Entire section R&RE, p. 1250, effective January 1, 1972.