New Jersey Statutes Title 39. Motor Vehicles and Traffic Regulation 39 § 8-52

a. A person shall not conduct any inspection required by the chief administrator on a motor vehicle or diesel bus, heavy-duty diesel truck, or any diesel-powered vehicle unless that person is licensed as an inspector by the chief administrator. The chief administrator may establish a fee not to exceed $50 for the licensure and relicensure of inspectors and shall establish standards and requirements for the licensure and relicensure of inspectors including, at a minimum, the successful completion of emission training and testing requirements determined by the chief administrator in consultation with the Department of Environmental Protection as a prerequisite to licensing. Any license issued pursuant to this section shall be valid for the period set by the chief administrator, which shall not be longer than two years. The successful completion of refresher training and testing, at a minimum, shall be required prior to license renewal. All fees collected pursuant to this subsection shall be turned over to the State Treasurer and deposited in the “Motor Vehicle Inspection Fund” established pursuant to subsection j. of R.S.39:8-2.

b. The chief administrator may deny, suspend or revoke any license authorized to be issued by this section or refuse renewal thereof for cause, including, but not limited to, one or more of the following: