Del. Code Ann. tit. 13, § 1942
Recognition and enforcement
73 Del. Laws, c. 426, § 1;
A court of this State shall accord full faith and credit to an order issued by another state and consistent with this chapter which enforces a child custody determination by a court of another state unless the order has been vacated, stayed or modified by a court having jurisdiction to do so under subchapter II of this chapter.