Changes made by 2003/205/EC: Decision of the European Central Bank of 20 March 2003 on the denominations, specifications, reproduction, exchange and withdrawal of euro banknotes (ECB/2003/4)
EU Decision 2003/4
No changes made by 2003/205/EC: Decision of the European Central Bank of 20 March 2003 on the denominations, specifications, reproduction, exchange and withdrawal of euro banknotes (ECB/2003/4) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.