N.J. Stat. § 3B:21-1
When a ward or a cestui que trust, or all the cestuis que trustent in esse, is or, all of them, are nonresidents of this State and is or are entitled to personal or real property in this State and the guardian or trustee received his letters from, or is subject to the jurisdiction of, a court of another state or country, the Superior Court may authorize the guardian or trustee, if it is in the interest of the persons in interest, to demand, collect, sue for, receive and remove from this State all or any part of the personal property and the rents, issues and profits of the real property, or authorize the personal property, and the rents, issues and profits of the real property to be transferred to the custody of the proper court of that state, jurisdiction or country.
N.J.S. § 3B:21-1