Changes made by Council Implementing Decision 2012/256/CFSP of 14 May 2012 implementing Council Decision 2011/782/CFSP concerning restrictive measures against Syria
EU Decision 2012/256
Made to Council Decision 2011/782/CFSP of 1 December 2011 concerning restrictive measures against Syria and repealing Decision 2011/273/CFSP
From legislation.gov.uk's record of changes, the official one: see it there.