Changes to Commission Decision of 21 November 2003 on the adequate protection of personal data in Guernsey (notified under document number C(2003) 4309) (2003/821/EC)
EU Decision 2003/821
Made by Decision (EU) 2016/2295 amending Decisions 2000/518/EC, 2002/2/EC, 2003/490/EC, 2003/821/EC, 2004/411/EC…
From legislation.gov.uk's record of changes, the official one: see it there.