The individual in international law — Aliens — Expulsion of — Procedure of expulsion — Convention Relating to the Status of Refugees, 1951 — Basque refugees of Spanish nationality in France — Associations with Basque nationalist movement — Decision to deport refugees without first resorting to statutory appellate procedure — Article 31 of the Convention — Contracting States not to impose penalties on refugees “on account of their illegal entry or presence” — Whether refugees entitled to invoke Article 31 are to be considered as having entered French territory lawfully — Article 32 — “Decision reached in accordance with due process of law” — Whether recourse to appeal procedure must precede any decision to expel or merely precede implementation of such decision — Exception in cases of compelling reasons of national security — Circumstances warranting such exception — The law of France