NJ Trade in시 Joint Ownership

The amount of any credit the dealership gives the purchaser for a trade-in, and actual costs imposed by the New Jersey Motor Vehicle Commission (MVC) for a motor vehicle title and registration.
개인의 명의로만 등록한다 해도 세금 혜택 있고 기존 plate 판 유지 가능합니다.

https://www.state.nj.us/treasury/taxation/documents/pdf/guides/New-Jersey-Consumer-Automotive-Tax-Guide.pdf