New Jersey Statutes Appendix - Former Title 3A Administration of Estates Decedents and Others 3A § 6-43

The Superior Court, may adjudicate that the mental incompetent has returned to competency and restore to him his estate if the court is satisfied that he has recovered his sound reason and is fit to govern himself and manage his affairs, or, in the case of a mental incompetent determined to be such by reason of chronic alcoholism, that he has reformed and become habitually sober and has continued so for 1 year next preceding the commencement of the action, and in the case of a mental incompetent determined to be such by reason of chronic use of drugs that he has reformed and has not been a chronic user of drugs for 1 year next preceding the commencement of the action.