New Jersey Statutes Title 39. Motor Vehicles and Traffic Regulation 39 § 3B-9

In addition to owner identification, lettering shall be permitted on van type II school vehicles to identify the vehicles as school vehicles and all such vehicles shall be painted school bus yellow and equipped with warning lights.

With respect to any such vehicle transporting pupils with disabilities, the International Symbol of Access may also be imprinted on the lower right side of the rear door.