Changes to Commission Implementing Decision of 11 February 2013 establishing the best available techniques (BAT) conclusions under Directive 2010/75/EU of the European Parliament and of the Council on industrial emissions for the tanning of hides and skins (notified under document C(2013) 618) (2013/84/EU)
EU Decision 2013/84
Made by Air Quality (Miscellaneous Amendment and Revocation of Retained Direct EU Legislation) 2018
From legislation.gov.uk's record of changes, the official one: see it there.