Council Directive 66/403/EEC of 14 June 1966 on the marketing of seed potatoes
Modified by
Council Directive 78/692/EEC of 25 July 1978 amending Directives 66/400/EEC, 66/401/EEC, 66/402/EEC, 66/403/EEC, 68/193/EEC, 69/208/EEC and 70/458/EEC on the marketing of beet seed, fodder plant seed, cereal seed, seed potatoes, material for the vegetative propagation of the vine, seed of oil and fibre plants and vegetable seed
| July 31, 1978 | article 13.4 | Completion |
| July 31, 1978 | article 9.2 | Completion |
| July 31, 1978 | article 10 | Replacement |
| July 31, 1978 | article 13.1 | Amendment |
| July 31, 1978 | annex 3 | Completion |
| July 31, 1978 | article 9.1 | Replacement |
| July 31, 1978 | article 5 | Addition |