CHAPTER I GENERAL PROVISIONS
Article 3 1. For the purposes of this Directive Member States shall make use of the arrangements made under Article 3(1), (2), (3), (5) and (6) of Directive 2000/60/EC.
2. However, for the implementation of this Directive, Member States may:
(a) appoint competent authorities different from those identified pursuant to Article 3(2) of Directive 2000/60/EC;
(b) identify certain coastal areas or individual river basins and assign them to a unit of management different from those assigned pursuant to Article 3(1) of Directive 2000/60/EC.
In these cases, Member States shall, by 26 May 2010, communicate to the Commission the information referred to in Annex I to Directive 2000/60/EC. For this purpose, any reference to competent authorities and river basin districts shall be taken as references to the competent authorities and unit of management referred to in this Article. Member States shall inform the Commission of any changes in the information provided pursuant to this paragraph within three months of the change coming into effect.