New Jersey Statutes Title 9. Children Juvenile and Domestic Relations Courts 9 § 2-7.2

When any husband and wife shall live in a state of separation without being divorced and shall have any minor child or children of the marriage, and when either spouse shall willfully conceal the whereabouts of said child or children, the Superior Court, Chancery Division, Family Part, upon application of the aggrieved parent, shall conduct a preliminary hearing as to the custody of said child or children and shall make such order relating thereto for the access of either parent to such child at such times and under such circumstances as it may deem proper.