Changes to Directive 2005/39/EC of the European Parliament and of the Council of 7 September 2005 amending Council Directive 74/408/EEC relating to motor vehicles with regard to the seats, their anchorages and head restraints
EU Directive 2005/39
No changes to Directive 2005/39/EC of the European Parliament and of the Council of 7 September 2005 amending Council Directive 74/408/EEC relating to motor vehicles with regard to the seats, their anchorages and head restraints are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.