Article 13
1
For the purpose of applying this Directive, Member States shall provide the Commission with information concerning:
a
the waters designated in accordance with Article 4(1), in summary form;
b
the revision of the designation of certain waters in accordance with Article 4(2);
c
the provisions laid down in order to establish new parameters in accordance with Article 9.
2
Where a Member State applies the provisions of Article 11, it shall forthwith notify the Commission thereof, stating its reasons and the periods anticipated.
3
More generally, Member States shall provide the Commission, on a reasoned request from the latter, with any information necessary for the application of this Directive.