Council Directive 78/933/EEC of 17 October 1978 on the approximation of the laws of the Member States relating to the installation of lighting and light-signalling devices on wheeled agricultural and forestry tractors
Modified by
Commission Directive 1999/56/EC of 3 June 1999 adapting to technical progress Council Directive 78/933/EEC relating to the installation of lighting and light-signalling devices on wheeled agricultural and forestry tractors (Text with EEA relevance)