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Vol 21 No 9 Sept/Oct 2016

Book of the Month

Cover of Goode on Commercial Law

Goode on Commercial Law

Edited by: Ewan McKendrick
Price: £170.00

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The Changing Nature of Customary International Law: Methods of Interpreting the Concept of Custom in International Criminal Tribunals

ISBN13: 9781138210479
Published: July 2016
Publisher: Routledge
Country of Publication: UK
Format: Paperback (Hardback in 2014)
Price: £34.99
Hardback edition , ISBN13 9780415827416

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This book examines the evolution of customary international law (CIL) as a source of international law analyzing the substantive definitions of state practice and opinio juris, the methods of their discovery and their increasing interlinked nature.

It focuses on the importance of CIL in the development of international criminal law and in particular the ways in which international criminal courts and "hybrid" criminal tribunals can be said to be changing the ways in which CIL is determined.

The book examines the role of international courts and tribunals in changing the nature of custom, analyzing the methodologies employed by the International Criminal Tribunal for Former Yugoslavia, the International Criminal Tribunal for Rwanda, Special Tribunal for Lebanon, the Extraordinary Chambers in the Courts of Cambodia, and the International Criminal Court.

Through examination of the case-law and the reasoning of the courts Noora Arajarvi demonstrates that the tribunals have on occasions tilted towards innovative approaches in their interpretation and methods of finding the applicable customary international law. She shows how and to what extent the court's chosen method of application of CIL affects the process of custom formation as the judges may have the function of both applying and forming rules of CIL. This raises the question as to what level of judicial activism that should be acceptable in international courts as regards CIL.

International Criminal Law
1. The Traditional Concept of CIL and Changes within the Formation of CIL
2. The Role of International Courts in the Formation and Application of CIL
3. The Changing Process of Discovering CIL by International Criminal Tribunals
4. The Principle of Legality and Customary International Law
5. From the Theory of CIL to the Sources Theory in International Law