Non-Refoulement as Custom and Jus Cogens? Putting the Prohibition to the Test

Abstract

The norm of non-refoulement is at the heart of the international protection of refugees yet there remains a lack of consensus as to its status. In this contribution, we examine the question whether it has attained the status of a jus cogens norm. Adopting the methodology of 'custom plus' we first examine whether non-refoulement has attained the status of custom, concluding that widespread state practice and opinio juris underpin the view that it is clearly a norm of customary international law. Moreover, much of this evidence also leads to the conclusion that it is ripe for recognition as a norm of jus cogens, due to its universal, non-derogatory character. In other words, it is a norm accep..