States as international persons — State succession — Succession with regard to contractual and other obligations — Mandate concluded between French Government and foreign lawyer for legal representation of Foundation “Waqf Abou Mediane” — Claim for payment of outstanding fees — Whether French State liable under mandate — Whether obligation assumed by Algeria following its accession to independence — Declaration of Principles concerning Economic and Financial Co — operation between Algeria and France, 1962, Article 18 — The law of France

State responsibility — Nature and kinds of — For other breaches of contractual obligations — Mandate concluded between French government and foreign lawyer for legal representation of Foundation “Waqf Abou Mediane” — Claim for payment of outstanding fees — Whether France liable under mandate — Whether obligation assumed by Algeria following its accession to independence — Declaration of Principles concerning Economic and Financial Co-operation between Algeria and France, 1962, Article 18 — The law of France