Changes to Commission Decision of 20 August 2001 laying down special rules applicable to movements of bovine animals when put out to summer grazing in mountain areas (notified under document number C(2001) 2551) (2001/672/EC)
EU Decision 2001/672
Made by Commission Decision of 25 May 2010 amending Decision 2001/672/EC as regards time periods for the movements of bovine animals to summer grazing areas (notified under document C(2010) 3188) (2010/300/EU)
From legislation.gov.uk's record of changes, the official one: see it there.