Changes made by Commission Directive 88/413/EEC of 22 June 1988 adapting to technical progress Council Directive 79/622/EEC on the approximation of the laws of the Member States relating to the roll-over protection structures of wheeled agricultural or forestry tractors (static testing)
EU Directive 1988/413
No changes made by Commission Directive 88/413/EEC of 22 June 1988 adapting to technical progress Council Directive 79/622/EEC on the approximation of the laws of the Member States relating to the roll-over protection structures of wheeled agricultural or forestry tractors (static testing) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.