http://www.legislation.gov.uk/eudr/1977/537/adopted
Council Directive 77/537/EEC of 28 June 1977 on the approximation of the laws of the Member States relating to the measures
to be taken against the emission of pollutants from diesel engines for use in wheeled agricultural or forestry tractors
Council Directive 77/537/EEC
en
Queen's Printer of Acts of Parliament
2019-09-13