N.J. Stat. § 26:2C-8.46
The Department of Environmental Protection and the New Jersey Motor Vehicle Commission shall adopt jointly, pursuant to the "Administrative Procedure Act," P.L. 1968, c. 410 (C.52:14B-1 et seq.), rules and regulations providing for the training with respect to emissions testing and inspection required for persons who inspect or reinspect a vehicle pursuant to the periodic inspection program or the roadside inspection program established pursuant to P.L. 1995, c.157 (C.39:8-59 et al.), or who repair any vehicle because of its failure of emissions testing under the periodic inspection program or roadside inspection program, including, but not limited to, the extent of the training, standards with respect to emissions testing and inspection for the training and certification of mechanics employed for the purposes of inspecting vehicles under the periodic inspection program or the roadside inspection program, or for the repair of vehicles that fail inspections under the periodic inspection program and the roadside enforcement program, and the training to meet these standards, including but not limited to, the length, convenience and affordability to the trainee, and the cost, if any of that training.
N.J.S. § 26:2C-8.46