Changes to 89/663/EEC: Council Decision of 14 December 1989 amending Decision 87/327/EEC adopting the European Community action scheme for the mobility of university students (Erasmus)
EU Decision 1989/663
No changes to 89/663/EEC: Council Decision of 14 December 1989 amending Decision 87/327/EEC adopting the European Community action scheme for the mobility of university students (Erasmus) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.