{"data":{"id":"us-il/750-ilcs-36-203","jurisdiction":"us-il","citation":"750 ILCS 36/203","heading":"Jurisdiction To Modify Determination.","body":"Except as otherwise provided in Section 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 201(a)(1) or (2) and:\n(1) the court of the other state determines it no longer has exclusive, continuing jurisdiction under Section 202 or that a court of this State would be a more convenient forum under Section 207; or\n(2) 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.","path":["CHAPTER 750 FAMILIES","Uniform Child-Custody Jurisdiction and Enforcement Act."],"source_url":"https://www.ilga.gov/legislation/ILCS/details?ActID=2497\u0026ChapterID=59\u0026ChapAct=FullText\u0026Print=True","current_through":"at least Public Act 104-790","vintage":"","retrieved_at":"2026-09-15T04:46:44Z","sha256":"6a678f52ad520db4ab90bc139080ff8541313a8e7e72fd6491a5c8e9ea7c3e8f","source_id":"us-il","stale":false,"prev":"us-il/750-ilcs-36-202","next":"us-il/750-ilcs-36-204"},"notice":"GroundRules: Original legal text. Not legal advice."}