Changes to Council Directive of 25 June 1987 on roll-over protection structures mounted in front of the driver's seat on narrow-track wheeled agricultural and forestry tractors (87/402/EEC)
EU Directive 1987/402
Made by Commission Directive 2010/22/EU of 15 March 2010 amending, for the purposes of their adaptation to technical progress, Council Directives 80/720/EEC, 86/298/EEC, 86/415/EEC and 87/402/EEC and Directives 2000/25/EC and 2003/37/EC of the European Parliament and of the Council relating to the type-approval of agricultural or forestry tractors
From legislation.gov.uk's record of changes, the official one: see it there.