If the tractor is to be fitted with ballast weights in order to meet the other requirements of EC approval, those ballast weights must be supplied by the manufacturer of the tractor, be intended for fitting, and bear the manufacturer’s mark and a statement of their mass in kilograms to an accuracy of ± 5 %. Front ballast weights that have been designed for frequent removal/fitting must leave a safety clearance of at least 25 mm for the grab handles. The method of locating the ballast weights must be such that any inadvertent separation is avoided (e.g. in the event of tractor rollover).