The article examines the contours and implications of the emerging international constitutional order. The "constitutional" nature of this order relates to the fact that it contains certain fundamental substantive and structural norms that form a supreme legal framework for the exercise of public power. The substantive elements primarily include the value system of the international legal order, meaning norms of positive law with a strong ethical underpinning (notably human rights norms) that have acquired a special hierarchical standing vis-à-vis other international norms through state practice. The structural elements refer to the subjects of the international legal order that collectively constitute the international community (polity), ...