State immunity — Jurisdictional immunity — Exceptions — Acta jure gestionis — Acta jure imperii — Once a trader always a trader — State of emergency — Law-making — Legislature regulating legal relations initially established by acta jure gestionis qualifying as acta jure imperii

Economics, trade and finance — European Monetary Union — Hellenic Republic — Public debt — Bonds — Greek sovereign debt crisis — Sovereign debt restructuring — Collective Action Clauses — Secondary market — Bond exchange — Financial stability

Relationship of international law and municipal law — Compatibility with Basic Law of the Federal Republic of Germany — General principle of international law — Article 25 of German Basic Law — Right to a lawful judge — The law of Germany