International Legal Hierarchy Revisited: The Status of Obligations Erga Omnes
Increasingly, international legal arguments exploit the peculiar nature of obligations erga omnes. This practice raises questions about the precise legal status of norms expressing such obligations relative to other norms of international law. According to an oft-made suggestion, whether a norm is part of the international jus cogens or not, when it expresses obligations erga omnes it is hierarchi
