The State Court issues its own rules of procedure (art.
The President of the State Court and the majority of the judges must be Liechtenstein citizens (nationality).
Main functions:[3] The competence of the Constitutional Court to subsequently review the constitutionality of international treaties or individual provisions of international treaties (Article 22) that have already been legally concluded by the Principality of Liechtenstein is disputed in legal theory, since in international law, among other things, the principle of Pacta sunt servanda applies (see also the "Schubert practice" of the Swiss Federal Supreme Court).
This review authority of the State Court is considered to be very problematic, particularly in view of the Principality's integration into the European Economic Area (EEA).
According to Article 23 paragraph 1 of the State Court Act, if the State Court finds that an international treaty or individual provisions thereof are incompatible with the constitution, it can revoke the domestic binding nature of the treaty.