Jurisdiction to modify determination
C.R.S. § 14-13-203
in effect14-13-203. Jurisdiction to modify determination. (1) Except as otherwise provided in section 14-13-204, a court of this state may not modify a child-custody determination made by a court of another state unless a court of this state has jurisdiction to make an initial determination under section 14-13-201 (1)(a) or 14-13-201 (1)(b) and:
(a) The court of the other state determines it no longer has exclusive, continuing jurisdiction under a provision of law adopted by that state that is in substantial conformity with section 14-13-202 or that a court of this state would be a more convenient forum under a provision of law adopted by that state that is in substantial conformity with section 14-13-207; or
(b) A court of this state or a court of the other state determines that the child, the child's parents, and any person acting as a parent do not presently reside in the other state.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-14.docx#14-13-203Fetched: 10/6/2026