Finality

Colo. Rev. Stat. § 31-2-218, under MUNICIPAL HOME RULE.

Colo. Rev. Stat. § 31-2-218

No proceeding contesting the adoption of a charter, charter amendment, or repeal thereof shall be brought unless commenced within forty-five days after the election adopting the measure.

Source: L. 75: Entire title R&RE, p. 1018, § 1, effective July 1.