New Jersey Statutes Title 54. Taxation 54 § 50-2

a. For the purpose of administering the State Tax Uniform Procedure Law, or any State tax law, the director, whenever he deems it expedient, may make or cause to be made by any employee of the Division of Taxation engaged in the administration of that law, or any State tax law, an examination or investigation of the place of business, if any, the tangible personal property and the books, records, papers, vouchers, accounts and documents of any taxpayer. Every taxpayer and every director, officer, agent or employee of every taxpayer shall exhibit to the director or to any such employee of the Division of Taxation, the place of business, the tangible personal property and all of the books, records, papers, vouchers, accounts and documents of the taxpayer and facilitate any such examination or investigation so far as it may be in his or their power so to do. The director or any employee of the division by him thereunto designated, may take the oath of any person signing any application, deposition, statement or report required by the director in the administration of the State Tax Uniform Procedure Law, or any State tax law.

b. For the purpose of administering the State Tax Uniform Procedure Law, or any State tax law, the director, whenever he deems it expedient, may enter into agreements with other states, the District of Columbia and the United States, providing for the reciprocal enforcement and administration of any tax imposed by those jurisdictions entering into such an agreement. The duly authorized officer of any jurisdiction which extends like authority to officers or employees of this State may sue for the collection of that jurisdiction's taxes in the courts of this State.