N.J. Stat. Ann. § 48:4-24

The Director of the Division of Motor Vehicles shall enforce the payment of the excise hereby imposed and for such purpose make and enforce such rules and regulations as he may deem necessary. He may require a bond or other surety for the payment of excise and penalties imposed by and payable pursuant to sections 48:4-20 to 48:4-34 of this Title and for compliance with the provisions of said sections and the rules and regulations made by him pursuant hereto.