Article 11 1.

Member States shall nominate or establish an independent authority as their national independent supervisory authority in order to ensure the correct application of the measures taken to comply with this Directive and to assume, at least, the tasks assigned under Article 6. Such an authority may be the same as the entity entrusted by a Member State with the application of the additional regulatory measures referred to in Article 1(5), including with the approval of the charging system and/or the level of airport charges, provided that it meets the requirements of paragraph 3 of this Article.