To successfully make process of used car sell NJ, there are several important paperwork requirements that you need to fulfill. Firstly, you'll need to provide a valid title for the vehicle, which should be signed over to the new owner. Then, you must fill out the New Jersey Motor Vehicle Commission (MVC) transfer of ownership form. Make sure to include all the essential information, including the vehicle's mileage, VIN, and the sale price. If the vehicle is less than ten years old, you'll also need to obtain a valid emissions inspection certificate. Lastly, it's crucial to provide a bill of sale, which serves as a record of the transaction and includes both the buyer and seller's details.