The hulk hauler or scrap processor shall obtain a special set of license plates or an indicator tab pursuant to RCW
46.55.065 in addition to the regular licenses and plates required for the operation of vehicles owned and/or operated by him or her and used in the conduct of his or her business. Such special license shall be displayed on the operational vehicles and shall be in lieu of a trip permit or current license on any vehicle being transported. The fee for these plates shall be five dollars for the original plates and two dollars for each additional set of plates bearing the same license number.