Artikel 6

1. Measures taken by territorial communities or authorities under a transfrontier co-operation agreement shall be subject to the same supervision as the law of each Contracting Party prescribes in respect of any measure taken by the territorial communities or authorities concluding the agreement.
2. Measures taken by a transfrontier co-operation body set up under an agreement shall be subject to the supervision provided for in the law of the State in which the body's headquarters are located, keeping in mind, in addition, the interests of territorial communities or authorities of other States. The transfrontier co-operation body shall comply with information requests made by the authorities of the States to which the territorial communities or authorities belong. The supervisory authorities of the Contracting Parties shall endeavour to establish means of appropriate co-ordination and information.
3. Measures taken by a body as referred to in paragraph 1 of Article 5 shall be subject to the same supervision as the law of each Contracting Party prescribes in respect of any measure taken by the territorial communities or authorities concluding the agreement.