Changes made by Commission Directive 88/465/EEC of 30 June 1988 adapting to technical progress Council Directive 78/764/EEC on the laws of the Member States relating to the driver's seat on wheeled agricultural or forestry tractors
EU Directive 1988/465
No changes made by Commission Directive 88/465/EEC of 30 June 1988 adapting to technical progress Council Directive 78/764/EEC on the laws of the Member States relating to the driver's seat on wheeled agricultural or forestry tractors are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.