N.J. Stat. § 34:11-56a20
Every employer of employees subject to this act shall keep a true and accurate record of the hours worked by each and the wages paid by him to each and shall furnish to the commissioner or the director or their authorized representative upon demand a sworn statement of the same. Such records shall be open to inspection by the commissioner or the director or their authorized representative at any reasonable time. No employer shall be found guilty of violating this provision for failure to keep a true and accurate record of the hours worked by outside salesmen, buyers of poultry, eggs, cream, milk or other perishable commodities in their natural or raw state, homeworkers legally employed in accordance with the laws of this State or any person employed in a bona fide executive, administrative or professional capacity, except that no exemption from record keeping pursuant to this section in regard to any person employed in a bona fide executive, administrative or professional capacity shall be construed to permit an employer to pay wages at a rate which violates the provisions of section 5 of P.L. 1966, c.113 (C.34:11-56a4).
N.J.S. § 34:11-56a20