Changes made by 89/113/EEC: Commission Decision of 21 December 1988 relating to a proceeding under Articles 85 and 86 of the EEC Treaty (IV/30.979 and 31.394, Decca Navigator System) (Only the English and Dutch texts are authentic)
EU Decision 1989/113
No changes made by 89/113/EEC: Commission Decision of 21 December 1988 relating to a proceeding under Articles 85 and 86 of the EEC Treaty (IV/30.979 and 31.394, Decca Navigator System) (Only the English and Dutch texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.