Colorado Revised Statutes Title 14. Domestic Matters § 14-15-108. Modification of civil union terms through an agreement

(1) Parties to a civil union may create agreements modifying the terms, conditions, or effects of a civil union in the manner specified in part 3 of article 2 of this title.

(2) Notwithstanding the provisions of subsection (1) of this section, the provisions of this article and the provisions of part 3 of article 2 of this title do not invalidate or affect an otherwise valid domestic partnership agreement or civil contract between two individuals who are not married to each other in which the individuals set forth an agreement about the rights and responsibilities regarding matters similar to those that may be addressed by a contract under part 3 of article 2 of this title if the agreement or contract was made prior to May 1, 2013, or, if made on or after May 1, 2013, the agreement or contract is not made in contemplation of entering into a civil union under this article.