Colorado Revised Statutes Title 14. Domestic Matters § 14-15-109. Civil union license and certificate

(a) Name, sex, address, social security number, and date and place of birth of each party to the proposed civil union. For such purpose, proof of date of birth may be obtained from a birth certificate, a driver's license, or other comparable evidence.

(b) If either party has previously been married or has previously been a party to a civil union, the name of the spouse or the name of the other party and the date, place, and court in which the marriage or civil union was dissolved or declared invalid or the date and place of death of the deceased spouse or the deceased party to a civil union;

(c) Name and address of the parents or guardian of each party; and

(d) Whether the parties are related to each other and, if so, their relationship.