Changes made by 90/45/EEC: Commission Decision of 19 December 1989 relating to a proceeding under Article 85 of the EEC Treaty (IV/32.414 - Sugar beet) (Only the French and Dutch texts are authentic)
EU Decision 1990/45
No changes made by 90/45/EEC: Commission Decision of 19 December 1989 relating to a proceeding under Article 85 of the EEC Treaty (IV/32.414 - Sugar beet) (Only the French and Dutch texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.