maintenance vehicles, ice cream vehicles, etc. A driver has to apply with endorsement from his/her company, and holding a full licence of class 2 (light goods vehicle), 18 (medium goods vehicles) or 19 (heavy goods vehicles). Class 21 licence has to be used in conjunction with a class 2, 18 or 19 licence, allowing the driver to drive special purpose vehicles with maximum gross vehicle weight up to the goods vehicle licence the driver holds. See also Commercial Driver's License Information System Truck classification Trucking industry in the United States References External links Department of Transportation Driver and Vehicle Licensing Agency NZTA licensing information page Identity documents Traffic law Driving licences