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In Article 31(3)(c) VCLT and the Principle of Systemic Integration: Normative Shadows in Plato’s Cave the author tackles a provision on treaty interpretation that has risen in prominence, Article 31(3)(c) VCLT. This article, which enshrines the principle of systemic integration, and its exact scope has become and continues to be a hotly debated subject in academic and judicial circles.
Through an examination of both its written and unwritten elements, the author argues that the ‘proximity criterion’ is the optimal way of understanding and utilizing this provision, that conflict resolution principles may be of use within Article 31(3)(c) and finally, that the principle of systemic integration is indispensable not only for interpreting treaty provisions but customary international law as well.
