Changes made by 91/592/EEC: Commission Decision of 5 November 1991 amending Commission Decision 89/599/EEC approving derogations provided for by Greece, Italy and Portugal from certain provisions of Council Directive 77/93/EEC in respect of seed potatoes originating in Canada (Only the Greek, Italian and Portuguese texts are authentic)
EU Decision 1991/592
The legislation 91/592/EEC: Commission Decision of 5 November 1991 amending Commission Decision 89/599/EEC approving derogations provided for by Greece, Italy and Portugal from certain provisions of Council Directive 77/93/EEC in respect of seed potatoes originating in Canada (Only the Greek, Italian 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.