Colo. Rev. Stat. § 14-15-118
This article 15 does not create a marriage between the parties to a civil union.
Source: L. 2013: Entire article added, (SB 13-011), ch. 49, p. 155, § 1, effective May 1. L. 2025: Entire section amended, (SB 25-014), ch. 51, p. 226, § 4, effective April 7.