Changes made by Regulation (EU) No 183/2011 amending Annexes IV and VI to Directive 2007/46/EC of the European Parliament and…
EU Regulation No 183/2011
Made to Directive 2007/46/EC of the European Parliament and of the Council of 5 September 2007 establishing a framework for the approval of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles (Framework Directive)
From legislation.gov.uk's record of changes, the official one: see it there.