Changes made by 74/491/EEC: Commission Decision of 17 September 1974 exempting the Kingdom of Denmark from applying to certain species the Council Directive of 30 June 1969 on the marketing of seed of oil and fibre plants (Only the Danish text is authentic)
EU Decision 1974/491
No changes made by 74/491/EEC: Commission Decision of 17 September 1974 exempting the Kingdom of Denmark from applying to certain species the Council Directive of 30 June 1969 on the marketing of seed of oil and fibre plants (Only the Danish text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.