Treaties — Effect in municipal law — Conflict with municipal legislation — Primacy of treaty — Geneva Convention relating to the Status of Refugees, 1951 — Whether Article 23 having primacy over conflicting provision of municipal law

Aliens — Refugees — Treatment — Discrimination — Social security — Right to guaranteed minimum income under municipal law — Conditions — Requirement of ten years’ minimum residence — Whether constituting de facto discrimination against refugees lawfully resident in State of refuge — Geneva Convention relating to the Status of Refugees, 1951, Article 23

Relationship of international law and municipal law — Treaties — Whether creating directly applicable rights for individuals — Geneva Convention relating to the Status of Refugees, 1951, Article 23 — The law of Luxembourg