Changes made by Commission Implementing Decision of 27 May 2011 establishing, pursuant to Directive 2006/7/EC of the European Parliament and of the Council, a symbol for information to the public on bathing water classification and any bathing prohibition or advice against bathing (2011/321/EU)
EU Decision 2011/321
No changes made by Commission Implementing Decision of 27 May 2011 establishing, pursuant to Directive 2006/7/EC of the European Parliament and of the Council, a symbol for information to the public on bathing water classification and any bathing prohibition or advice against bathing (2011/321/EU) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.