N.J. Stat. § 30:4A-8
If the person for whom the diagnosis is sought is a minor under the age of eighteen years and is within the jurisdiction of the Superior Court, Chancery Division, Family Part, the said court may make an order placing the said minor in the care and custody of the diagnostic center for a period required for a complete diagnosis and study, not in excess, however, of ninety days and shall cause a copy of said order to accompany said minor to the center. In such case no final commitment or disposition shall be made until the coming in of the report of the diagnostic center. Such report and any recommendation thereon shall not be binding upon the said court but shall be for its guidance in the final disposition of the matter consistent with the best interests of the welfare of the said minor and the community.
N.J.S. § 30:4A-8