Colorado Revised Statutes § 15-19-106(1) — Right of final disposition
“The right to control disposition of the last remains or ceremonial arrangements of a decedent vests in and devolves upon the following persons, at the time of the decedent's death, in the following order:
(a) The decedent if acting through a declaration pursuant to section 15-19-104;
(b) Either the appointed personal representative or special administrator of the decedent's estate, or the nominee for appointment as personal representative under the decedent's will;
(c) The surviving spouse of the decedent, if not legally separated from the decedent;
(c.5) A person with the right to direct the disposition of the decedent's last remains in a designated beneficiary agreement;
(d) A majority of the surviving adult children of the decedent;
(e) A majority of the surviving parents or legal guardians of the decedent, who shall act in writing;
(f) A majority of the surviving adult siblings of the decedent;
(h) Any person who is willing to assume legal and financial responsibility for the final disposition of the decedent's last remains.”
For more information please see the publications from the state of Colorado. Linked below is one example of such: https://content.leg.colorado.gov/sites/default/files/images/olls/crs2024-title-15.pdf

