Changes made by 89/191/EEC: Commission Decision of 21 December 1988 relating to a proceeding pursuant to Article 85 of the EEC Treaty (IV/31.866, LdPE) (Only the Spanish, German, English, French, Italian and Dutch texts are authentic)
EU Decision 1989/191
No changes made by 89/191/EEC: Commission Decision of 21 December 1988 relating to a proceeding pursuant to Article 85 of the EEC Treaty (IV/31.866, LdPE) (Only the Spanish, German, English, French, Italian and Dutch texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.