N.J. Stat. § 6:1-51
The Department of Commerce, Energy and Economic Development shall have the power to conduct investigations, inquiries and hearings concerning matters covered by the provisions of this act and accidents or injuries incident to the operation of aircraft occurring within this State, and for this purpose the department or its authorized representatives may take possession of any wreckage or aircraft damaged in such accidents and hold same until it releases such possession or unless any properly authorized paramount federal agency requests possession. In all investigations, inquiries and hearings the commissioner or his authorized representative in charge thereof, shall have the power to administer oaths and affirmations, certify to official acts, issue subpoenas, compel the attendance and testimony of witnesses and the production of papers, books, and documents. If any person shall fail to comply with any subpoena or order issued under authority of this chapter, the commissioner or said authorized representative may ex parte invoke the aid of the Superior Court of this State. The court may thereupon order any such person to comply with the requirements of the subpoena or order, or to give evidence upon the matter in question.
N.J.S. § 6:1-51