Changes made by 91/636/EEC: Commission Decision of 29 November 1991 amending Decision 91/107/EEC authorizing certain Member States to provide for derogations from certain provisions of Council Directive 77/93/EEC in respect of sawn wood of conifers originating in the USA (Only the Spanish, German, Greek, English, French, Italian, Dutch and Portuguese texts are authentic)
EU Decision 1991/636
The legislation 91/636/EEC: Commission Decision of 29 November 1991 amending Decision 91/107/EEC authorizing certain Member States to provide for derogations from certain provisions of Council Directive 77/93/EEC in respect of sawn wood of conifers originating in the USA (Only the Spanish, German, Greek, English, French, Italian, Dutch and Portuguese 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.