N.J. Stat. Ann. § 39:8-65

7. In implementing the roadside enforcement program, the commission, in consultation with the Commissioner of Transportation, shall phase in roadside inspections by establishing a pilot roadside enforcement program providing a six-month grace period in which warnings shall be issued in lieu of the civil penalties established by this act or any rule or regulation adopted pursuant thereto. Notwithstanding the provisions of the "Administrative Procedure Act," P.L.1968, c.410 (C.52:14B-1 et seq.), procedures for the pilot program may be adopted immediately.