N.J. Stat. § 23:3-22
If a person shall, within 5 years after conviction of any violation of the fish and game laws of this or any other State or of any provision of the State Fish and Game Code of this State, be again convicted of another violation of the fish and game laws of this or any other State or of any provision of the State Fish and Game Code of this State, any fishing license or hunting license or bow and arrow license held by the person so convicted shall be void upon such conviction and it shall be the duty of such person to surrender the same to the Division of Fish and Game for cancellation. A license issued to such person within a period of 2 years from the date of such second conviction, except as otherwise provided by law, or of 3 years from the date of his third or subsequent conviction, shall be void. If he shall be convicted of fishing or hunting under any license so made void, or without a license, during any such period, he shall be punished by a penalty of $100.00 for each offense.
N.J.S. § 23:3-22