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Part 2 Practical Significance, 7 The Evolution of Treaty Obligations in International Law

Campbell McLachlan

From: Treaties and Subsequent Practice

Edited By: Georg Nolte

From: Oxford Public International Law (http://opil.ouplaw.com). (c) Oxford University Press, 2023. All Rights Reserved.date: 07 December 2023

Object & purpose (treaty interpretation and) — Vienna Convention on the Law of Treaties — Treaties, application — State practice
‘International law was not crystallized […] but is a living and expanding body.’ —In re Piracy Jure Gentium [1934] AC 586, 7 ILR 213, 214 (PC) The proper functioning of the system of Public International Law today faces two main challenges, both of which are largely the by-products of its success and of the success of the main instrument which the international community has found for encapsulating its common objectives in normative form, namely the treaty. The first challenge is the means by which the disparate obligations of diverse treaties may be integrated...
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