SCHEDULE 2 APPROVAL REQUIREMENTS FOR RELEVANT VEHICLES
9 Where a projection is deemed to be in collision with the testing device it shall – (a) in the case of a plate, have corners the radius of curvature of which is 2mm.; and (b) in the case of a stem – (i) if its diameter is less than 20mm, not be longer than half of its diameter; (ii) if its diameter is 20mm or more, not have edges at its end of less than 2 mm.