These Regulations amend the Water Environment (Water Framework Directive) (England and Wales) Regulations 2003 (S.I. 2003/3242) (“the 2003 Regulations”). They transpose aspects of Directive 2013//39/EU of the European Parliament and of the Council amending Directives 2000/60/EC and 2008/105/EC as regards priority substances in the field of water policy (OJ No L 226, 24.8.2013, p1).