Conn. Gen. Stat. § 46b-115jj

A court of this state shall enforce a foreign child custody determination or an order of a federal court or another state court for return of a child under The Hague Convention on the Civil Aspects of International Child Abduction made under factual circumstances in substantial conformity with the jurisdictional standards of this chapter, including reasonable notice and opportunity to be heard to all affected persons, as a child custody determination of another state under sections 46b-115u to 46b-115gg , inclusive, unless such determination was rendered under child custody law which violates fundamental principles of human rights or unless such determination is repugnant to the public policy of this state.