New Jersey Statutes Title 34. Labor and Workmen's Compensation 34 § 11-56a6

(a) investigate and ascertain the wages of persons employed in any occupation in the State;

(b) enter and inspect the place of business or employment of any employer or employees in any occupation in the State, for the purpose of examining and inspecting any or all books, registers, payrolls and other records of any such employer that in any way relate to or have a bearing upon the question of wages, hours, and other conditions of employment of any such employees; copy any or all of such books, registers, payrolls, and other records as he or his authorized representative may deem necessary or appropriate; and question such employees for the purpose of ascertaining whether the provisions of this act and the orders and regulations issued hereunder have been and are being complied with; and

(c) require from such employer full and correct statements in writing, including sworn statements, with respect to wages, hours, names, addresses and such other information pertaining to his employees and their employment as the commissioner, the director or their authorized representatives may deem necessary or appropriate.