http://www.legislation.gov.uk/eudr/1980/181/adoptedCouncil Directive 80/181/EEC of 20 December 1979 on the approximation of the laws of the Member States relating to units of measurement and on the repeal of Directive 71/354/EECCouncil Directive 80/181/EECenQueen's Printer of Acts of Parliament2020-09-22