N.J. Stat. § 38:23C-7
If any judgment or final order shall be rendered in any action or proceeding governed by sections 4, 5 and 6, above against any person in military service during the period of such service, or within 30 days thereafter, and it appears that such person was prejudiced by reason of his military service in making his defense thereto, such judgment or order may, upon application, made by such person or his legal representative, not later than 90 days after the termination of such service, be opened by the court rendering the same and such defendant or his legal representative let in to defend; provided it is made to appear that the defendant has a meritorious or legal defense to the action or proceeding, or to some part thereof. Vacating, setting aside, or reversing any judgment or final order because of any of the provisions of this act shall not impair any right or title acquired by any bona fide purchaser for value under such judgment or order.
N.J.S. § 38:23C-7