Article 6
With regard to the Member States listed in Article 1 of the Protocol integrating the Schengen acquis into the framework of the European Union, the territorial scope of the provisions or decisions forming the Schengen acquis for which the Council has determined a legal basis in Title IV of Part 3 of the EC Treaty on the basis of Article 2(1), second sentence, of the abovementioned Protocol, and the territorial scope of measures extending or amending such provisions and decisions shall be that laid down in Article 138 of the 1990 Convention implementing the Schengen Agreement and that laid down in the relevant provisions of the accession instruments to that Convention.