Changes made by 93/400/EEC: Commission Decision of 16 June 1993 deferring, as regards the import of vegetable propagating and planting material, other than seed, from third countries, the date referred to in Article 16 (2) of Directive 92/33/EEC
EU Decision 1993/400
No changes made by 93/400/EEC: Commission Decision of 16 June 1993 deferring, as regards the import of vegetable propagating and planting material, other than seed, from third countries, the date referred to in Article 16 (2) of Directive 92/33/EEC are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.