The global development partnerships of the European Union are embedded in a legal context which provides several constraints for stakeholders in Brussels. This legal framework consists both of the rules and principles of public international law and of the ‘supranational’ law of the European Union. After a short survey of the activities of the European Union referring to North-South relations, some of the prevailing legal problems of the Union’s development policy as well as its contribution to the international law of development are discussed in this Article.