Changes made by Commission Decision of 30 December 1980 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 1980/1361
No changes made by Commission Decision of 30 December 1980 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.