N.J. Stat. Ann. § 39:3C-7

7. The registration provisions of P.L.1973, c.307 (C.39:3C-1 et seq.) shall not apply to nonresident owners who have complied with the registration and licensing laws of the state or country of residence, provided that the snowmobile, all-terrain vehicle, or dirt bike is appropriately identified in accordance with the laws of the state or country of residence and conspicuously displays the number issued by the state or country of residence. Nothing in this section shall be construed to authorize the operation of any snowmobile, all-terrain vehicle, or dirt bike contrary to the provisions of P.L.1973, c.307 (C.39:3C-1 et seq.).