Changes made by 91/503/EEC: Commission Decision of 19 September 1991 suspending the buying-in of butter in certain Member States (Only the German, Danish, English, French and Dutch texts are authentic)
EU Decision 1991/503
The legislation 91/503/EEC: Commission Decision of 19 September 1991 suspending the buying-in of butter in certain Member States (Only the German, Danish, English, French and Dutch texts are authentic) changes, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.