State immunity — Jurisdiction — Head of State — Scope of immunity of Head of State in office — Whether commission of international crime precluding Head of State from relying on State immunity — Whether such exception to immunity now recognized as rule of customary international law — Whether such exception applicable to terrorist offences

Relationship of international law and municipal law — Crimes against international law — Terrorism — Punishment of terrorist crimes by municipal courts — Whether requirement to prosecute such crimes constituting a rule of jus cogens — Whether such rules automatically incorporated into domestic legal order — The law of France