Domstolen har kompetence til at afgøre enhver tvist mellem medlemsstaterne, der har forbindelse med forfatningens sagsområde, såfremt tvisten forelægges den i henhold til en voldgiftsaftale.  
The Court of Justice shall have jurisdiction in any dispute between Member States which relates to the subject-matter of the Constitution if the dispute is submitted to it under a special agreement between the parties.  