N.J. Stat. Ann. § 39:11-9

Every person owning or operating a motor vehicle junk business or motor vehicle junk yard and who is also licensed as a motor vehicle dealer pursuant to the provisions of R.S.39:10-19 shall certify to the commission, upon the sale by him of a motor vehicle, that, at the time of the sale, the motor vehicle was or was not, as the case may be, in suitable condition to be operated on the highways.