Changes made by 73/122/EEC: Commission Decision of 7 May 1973 exempting the Federal Republic of Germany and the Grand Duchy of Luxembourg from applying to certain species the Council Directive of 29 September 1970 concerning the marketing of vegetable seed (Only the German and French texts are authentic)
EU Decision 1973/122
No changes made by 73/122/EEC: Commission Decision of 7 May 1973 exempting the Federal Republic of Germany and the Grand Duchy of Luxembourg from applying to certain species the Council Directive of 29 September 1970 concerning the marketing of vegetable seed (Only the German and French texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.