Changes made by 86/639/ECSC: Commission Decision of 23 December 1986 accepting an undertaking given in connection with the anti-dumping investigation concerning imports of certain sheets and plates, of iron or steel, originating in Yugoslavia and terminating the investigation
EU Decision 1986/639
No changes made by 86/639/ECSC: Commission Decision of 23 December 1986 accepting an undertaking given in connection with the anti-dumping investigation concerning imports of certain sheets and plates, of iron or steel, originating in Yugoslavia and terminating the investigation are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.