State responsibility — Nature and kinds of — For wrongs unconnected with contractual obligations — Connected with legislation — Application of administrative notice abolishing imports quotas in accordance with Franco-Indian Treaty, 1954 — Annulment of notice for excès de pouvoir in absence of appropriate enabling legislation for Treaty — Whether private company suffering loss through application of notice entitled to claim compensation from French State — Treaty subsequently ratified with result that favourable rights of company abolished with effect from date prior to issue of notice — The law of France