Directive 2000/60/EC is amended as follows:

1. (1)

   Article 16(4) is replaced by the following:

   ‘4.

   The Commission shall review the adopted list of priority substances at the latest four years after the date of entry into force of this Directive and at least every six years thereafter, and come forward with proposals as appropriate.’;

2. (2)

   Annex X is replaced by the text set out in Annex I to this Directive.