Rear-mounted roll-over protection systems of narrow-track wheeled agricultural and forestry tractors ***I European Parliament legislative resolution of 11 May 2011 on the proposal for a directive of the European Parliament and of the Council on rear-mounted roll-over protection structures of narrow-track wheeled agricultural and forestry tractors (codified text) (COM(2010)0510 – C7-0290/2010 – 2010/0264(COD))