The paradigm of state consent in the law of treaties is increasingly under attack. Which narratives on the treaty concept legitimize or delegitimize the challenges to the consensualist paradigm? Which areas of the law of treaties are more concerned by these attacks? What are the ensuing risks? From consent to be bound to treaty succession, and from treaty denunciation to reservations, this book offers a tour de force on the paradigm of state consent, its challenges, and their politics.

Humans are justificatory beingsthey offer, demand, and require justifications. The rules and institutions they follow rest on justification narratives that have evolved over time and, taken together, constitute a dynamic and tension-laden normative order. In this collection of essays, the first translation into English of the ground-breaking Normativität und Macht (Suhrkamp 2015), Rainer Forst presents a new approach to critical theory. Each essay reflects on the basic principles that guide our normative thinking. Forst's argument goes beyond 'ideal' and 'realist' theories and shows how closely the concepts of normativity and power are interrelated, and how power rests on the capacity to influence, determine, and possibly restrict the space of justifications for others. By combining insights from the disciplines of philosophy, history, and the social sciences, Forst re-evaluates theories of justice, as well as of power, and provides the tools for a critical theory of relations of justification.

Fundamentals of Public International Law, by Giovanni Distefano, provides an overview of public international law’s main principles and fundamental institutions. By introducing the foundations of the legal reasoning underlying public international law, the extensive volume offers essential tools for any international lawyer, regardless of the specific field of specialization. Dealing expansively with subjects, sources and guarantees of international law, university students, scholars and practitioners alike will benefit from the book’s treatment of what has been called the “Institutes” of public international law.

This is a study of the principal negotiating processes and law-making tools through which contemporary international law is made. It does not seek to give an account of the traditional - and untraditional - sources and theories of international law, but rather to identify the processes, participants and instruments employed in the making of international law. It accordingly examines some of the mechanisms and procedures whereby new rules of law are created or old rules are amended or abrogated. It concentrates on the UN, other international organisations, diplomatic conferences, codification bodies, NGOs, and courts. Every society perceives the need to differentiate between its legal norms and other norms controlling social, economic and political behaviour. But unlike domestic legal systems where this distinction is typically determined by constitutional provisions, the decentralised nature of the international legal system makes this a complex and contested issue. Moreover, contemporary international law is often the product of a subtle and evolving interplay of law-making instruments, both binding and non-binding, and of customary law and general principles. Only in this broader context can the significance of so-called 'soft law' and multilateral treaties be fully appreciated. An important question posed by any examination of international law-making structures is the extent to which we can or should make judgments about their legitimacy and coherence, and if so in what terms. Put simply, a law-making process perceived to be illegitimate or incoherent is more likely to be an ineffective process. From this perspective, the assumption of law-making power by the UN Security Council offers unique advantages of speed and universality, but it also poses a particular challenge to the development of a more open and participatory process observable in other international law-making bodies.

If a treaty from the 1850s regulating 'commerce' or forbidding 'degrading treatment of persons' is to be interpreted 150 years later, does 'commerce' or 'degrading treatment of persons' have the same meaning at the time of interpretation as they had when the treaty was agreed? The evolutionary interpretation of treaties has proven one of the most controversial topics in the practice of international law. Indeed, it has been seen as going against the very grain of the law of treaties, and has been argued to be contrary to the intention of the parties, breaching the principle of consent. This book asks what the place of evolutionary interpretation is within the understanding of treaties, at a time when many important international legal instruments are over 50 years old. It sets out to place the evolutionary interpretation of treaties on a firm footing within the general rule of interpretation, as codified in Article 31 of the Vienna Convention on the Law of Treaties. The book demonstrates that the evolutionary interpretation of treaties - in common with all other types of interpretation such as good faith, the text of the treaty, context, object and purpose - is in fact a based upon an objective understanding of the intention of the parties. In order to marry intention and evolution in this way, the book argues that, on the one hand, evolutionary interpretation is the product of the correct application of Article 31 and, on the other, that Article 31 is geared towards the establishment of the intention of the parties. The evolutionary interpretation of treaties is therefore shown to represent an intended evolution.

The book examines treaty law from the angle of types of motion, combining theory with practical examples and empirical data.

This book explores how the law of treaty withdrawal operates. Many commentators have observed a wider sense of crisis in international law as governments of different ideological stripes withdraw or threaten to withdraw from international organisations and treaties. There are different political forces behind all of these cases, but they all use the same basic device in international law – a treaty withdrawal clause. This book focuses on withdrawal clauses within multilateral treaties, providing a detailed overview of their operation, drawing on a range of case studies including Brexit, nuclear weapons treaties and investment arbitration agreements. The obligations a withdrawal clause places on a withdrawing state help regulate the withdrawal process, providing a notional form of stability. Using insights from international relations theory and legal theory, this book unpacks how and why the law of withdrawal operates and what its limitations are.

International investment law is in transition. Whereas the prevailing mindset has always been the protection of the economic interests of individual investors, new developments in international investment law have brought about a paradigm shift. There is now more than ever before an interest in a more inclusive, transparent, and public regime. Shifting Paradigms in International Investment Law addresses these changes against the background of the UNCTAD framework to reform investment treaties. The book analyses how the investment treaty regime has changed and how it ought to be changing to reconcile private property interests and the state's duty to regulate in the public interest. In doing so, the volume tracks attempts in international investment law to recalibrate itself towards a more balanced, less isolated, and increasingly diversified regime. The individual chapters of this edited volume address the contents of investment agreements, the system of dispute settlement, the interrelation of investment agreements with other areas of public international law, constitutional questions, and new regional perspectives from Europe, South Africa, the Pacific Rim Region, and Latin America. Together they provide an invaluable resource for scholars, practitioners, and policymakers. The individual chapters of this edited volume address the contents of investment agreements, the system of dispute settlement, the interrelation of investment agreements with other areas of public international law, constitutional questions, and new regional perspectives from Europe, South Africa, the Pacific Rim Region, and Latin America. Together they provide an invaluable resource for scholars, practitioners, and policymakers.

Examining the fulfilment of international obligations by subjects of this law, this book explores the normative and functional links between the sources and rules of international law on the one hand, and the responsibility for violating international law on the other. In the sphere of law-making, the theory of obligations allows for a more precise and considered formulation of international obligations. It has the potential to enable subjects of international law to behave more rationally, allowing deeper reflection on whether to take on obligations and how to properly perform them. This book proposes a new approach to the issue of the proper operation of international law, with the theory of obligations at its heart. Linking the institutions and concepts of international law into a rational whole, the book offers an analysis of the operation of international law and the behaviour of its subjects to develop a framework for ensuring the ultimate effectiveness of international law. Analysing sources of law including treaties and common law, alongside the resolutions of international organisations, this book demonstrates the practical application of the subject with reference to the jurisprudence of international courts and other bodies. The volume will be of interest to scholars, students, and practitioners concerned with international law – its creation, performance, application, compliance, and enforcement.

This book will consider a rapidly emerging guiding general principle in international relations and, arguably, in international law: the Responsibility to Protect. This principle is a solution proposed to a key preoccupation in both international relations and international law scholarship: how the international community is to respond to mass atrocities within sovereign States. There are three facets to this responsibility; the responsibility to prevent; the responsibility to react, and the responsibility to rebuild. This doctrine will be analysed in light of the parallel development of customary and treaty international legal obligations imposing responsibilities on sovereign states to the international community in key international law fields such as international human rights law, international criminal law and international environmental law. These new developments demand academic study and this book fills this lacuna by rigorously considering all of these developments as part of a trend towards assumption of international responsibility. This must include the responsibility on the part of all states to respond to threats of genocide, crimes against humanity, ethnic cleansings and large-scale war crimes. The discussion surrounding aggravated state responsibility is also explored, with the author concluding that this emerging norm within international law is closely related to the responsibility to protect in its imposition of an international responsibility to act in response to an international wrong. This book will be of great interest to scholars on international law, the law of armed conflict, security studies and IR in general.