Changes made by 74/505/EEC: Commission Decision of 17 September 1974 authorizing the Member States to approve for marketing reproductive material of certain forest species satisfying less stringent requirements
EU Decision 1974/505
No changes made by 74/505/EEC: Commission Decision of 17 September 1974 authorizing the Member States to approve for marketing reproductive material of certain forest species satisfying less stringent requirements are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.