Changes made by 83/78/EEC: Third Commission Decision of 10 February 1983 authorizing certain Member States to provide for derogations from certain provisions of Council Directive 77/93/EEC in respect of oak wood originating in the United States of America (Only the French, Danish, German, Italian and Dutch texts are authentic)
EU Decision 1983/78
No changes made by 83/78/EEC: Third Commission Decision of 10 February 1983 authorizing certain Member States to provide for derogations from certain provisions of Council Directive 77/93/EEC in respect of oak wood originating in the United States of America (Only the French, Danish, German, Italian and Dutch texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.