New Jersey Statutes Title 39. Motor Vehicles and Traffic Regulation 39 § 8-14

a. The director may license any person who is the owner or lessee of 10 or more motor vehicles to initially inspect, reinspect and certify those vehicles if such person has available to him the equipment, facilities and qualified employees, or other qualified person under his control by contract, necessary to make the required initial inspection, adjustments, corrections or repairs. When the licensee, or his employee, or other qualified person under his control conducts an initial inspection, he shall certify that he or his employee or other qualified person under his control by contract has inspected the motor vehicle as prescribed by the director and has found that the motor vehicle conforms to the standards established by law or regulation. When a motor vehicle is reinspected, the licensee shall certify that the items for which a vehicle was initially rejected have been adjusted, corrected or repaired by him or under his direction and that the condition of the items conforms to the standards established by law or regulation. The certification shall be evidenced by a private inspection approval sticker placed on the vehicle as prescribed by the director.

b. Any inspection or reinspection conducted pursuant to this section relating to emissions from a motor vehicle powered with diesel fuel that is also subject to the provisions of P.L.1995, c. 157 (C. 39:8-59 et al.) shall be conducted in accordance with the provisions of that act.