Section 750 ILCS 36/306 - Enforcement Of Registered Determination(a) A court of this State may grant any relief normally available under the law of this State to enforce a registered child-custody determination made by a court of another state. (b) A court of this State shall recognize and enforce, but may not modify, except in accordance with Article 2, a registered child-custody determination of a court of another state. Added by P.A. 093-0108, § 306, eff. 1/1/2004.