Changes made by Commission Directive 2010/52/EU of 11 August 2010 amending, for the purposes of adaptation of their technical provisions, Council Directive 76/763/EEC relating to passenger seats for wheeled agricultural or forestry tractors and Directive 2009/144/EC of the European Parliament and of the Council on certain components and characteristics of wheeled agricultural or forestry tractors
EU Directive 2010/52
The legislation Commission Directive 2010/52/EU of 11 August 2010 amending, for the purposes of adaptation of their technical provisions, Council Directive 76/763/EEC relating to passenger seats for wheeled agricultural or forestry tractors and Directive 2009/144/EC of the European Parliament and of the Council on certain components and characteristics of wheeled agricultural or forestry tractors changes, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.