International law in general — Relation to municipal law — German — Swiss Extradition Agreement — Principle of speciality — Whether conditions of extradition and terms of Agreement are enforceable in the German courts — The law of the Federal Republic of Germany

The individual in international law — Extradition — Conditions of extradition — Principle of speciality — German-Swiss Extradition Agreement — Plaintiff extradited to Federal Republic of Germany and detained pending trial — Warrant of arrest issued against him in respect of civil proceedings — Whether an infringement of the principle of speciality — Whether conditions of extradition and terms of Agreement enforceable in German courts — Whether issue of warrant wrongful — Whether warrant could be enforced — The law of the Federal Republic of Germany