New Jersey Statutes Title 54. Taxation 54 § 1-17

The Director of the Division of Taxation or any of the employees of the division delegated or deputized to sit for him shall have power to administer oaths to any person to ascertain any facts which will enable them properly to perform the duties of their office, and may reduce the statements of the person sworn to writing, and require him to swear and subscribe thereto, and may, ex parte, apply for and obtain from the Superior Court an order to compel any person to submit to examination in reference to such matters.