Changes to Council Decision 2011/137/CFSP of 28 February 2011 concerning restrictive measures in view of the situation in Libya
EU Decision 2011/137
Made by Council Implementing Decision 2011/175/CFSP of 21 March 2011 implementing Decision 2011/137/CFSP concerning restrictive measures in view of the situation in Libya
From legislation.gov.uk's record of changes, the official one: see it there.