N.J. Stat. § 39:3-8.1
The director may license noncommercial trucks at the same weight fees set forth in R.S. 39:3-20; provided, however, applicants for registration who have been issued identification cards for persons with disabilities pursuant to section 2 of P.L. 1949, c.280 (C.39:4-205) and are registering a noncommercial truck which has been equipped with a wheelchair lift, or any other specially designed mechanical device for persons with disabilities as designated by the director that specifically requires installation only in a noncommercial truck or van because of the device's dimensions, operating characteristics, or manufacturer's installation requirements, shall pay the same weight fees set forth in R.S. 39:3-8 for similarly modified passenger automobiles of the same model year. Application for such registration shall be made on a form to be furnished by the division and the application shall contain a statement to the effect that the vehicle so registered will not be used for the commercial transportation of goods, wares, and merchandise, or for hire, and that vehicles so registered will not contain any advertising, signs, lettering, names, or addresses on its exterior, excepting trademarks and labels of the manufacturer and dealer.
N.J.S. § 39:3-8.1