Consultations and discussions of the weights and dimensions of trucks, trailers, and other heavy vehicles. Involved in consultations regarding the engagement of workers in the trucking industry, the appropriate classification of those workers, the administration of federal taxation for those workers, such as T4A slips Consultations on the National Safety Code for road transport, as maintained by the Canadian Council of Motor Transport Administrators, with the participation of Transport Canada. The NSC has direct bearing on internal and international trade involving transportation by truck.