New Jersey Statutes Appendix - Former Title 3A Administration of Estates Decedents and Others 3A § 12-6

The omission of a fiduciary, in an action against him in a representative capacity, to plead that he has fully administered the estate, or to plead the extent to which he has administered the same, shall not preclude him, in an action against him personally on a judgment obtained in the original action against him in representative capacity, from proving his due administration of the estate; but he must give notice, 20 days before trial, of his intention to prove such administration.