1. Save where jurisdiction is conferred on the Court of Justice of the European Union by the Constitution, disputes to which the Union is a party shall not on that ground be excluded from the jurisdiction of the courts or tribunals of the Member States.

2. Member States undertake not to submit a dispute concerning the interpretation or application of the Constitution to any method of settlement other than those provided for therein.

3. The Court of Justice shall have jurisdiction in any dispute between Member States which relates to the subject­matter of the Constitution if the dispute is submitted to it under a special agreement between the parties.