Changes made by 88/93/EEC: Commission Decision of 29 December 1987 authorizing the United Kingdom to restrict the marketing of seed of certain varieties of agricultural plant species (Only the English text is authentic)
EU Decision 1988/93
No changes made by 88/93/EEC: Commission Decision of 29 December 1987 authorizing the United Kingdom to restrict the marketing of seed of certain varieties of agricultural plant species (Only the English text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.