N.J. Stat. Ann. § 39:5D-14

If it is determined by the Director of Motor Vehicles of the State of New Jersey that the provisions of the compact, in full or in part, are not being implemented with respect to violations reported from the State of New Jersey by any other party State, the director with the approval of the Governor of New Jersey, may suspend the enforcement of the provisions of this agreement as against such party State until such time as he shall determine that such implementation by the other party State is being had.