http://www.legislation.gov.uk/eudr/1981/561/adoptedCouncil Directive 81/561/EEC of 13 July 1981 amending Directives 66/402/EEC and 66/403/EEC on, respectively, the marketing of cereal seed and of seed potatoesCouncil Directive 81/561/EECenQueen's Printer of Acts of Parliament2020-12-10