This part of the standard identifies the information required to be marked on freight wagons, or parts of freight wagons, relating to their technical and operational characteristics. It defines the characteristics of these markings, the requirements pertaining to their presentation, their shape and position on a vehicle and their meaning. Some markings are accompanied with a note(s) where appropriate. Tank barrel manufacturers" design criteria, test and product specification plates have not been considered in this European Standard as they are specified in EN 12561-1:2011, Railway applications - Tank wagons - Part 1: Identification plates for tank wagons for the carriage of dangerous goods. Dangerous Goods markings have not been considered in this European Standard where fully specified in RID (dimensions, colour, location and form). Where markings are not fully specified in RID they are included in this standard.