Panel I: Rules of Change in the Theory of Sources of International Law

Chair: Brigit Toebes (University of Groningen)

Speakers:
Christina Binder (Universität der Bundeswehr München) ‘Change and the Law of Treaties: Or Means and Limits to Accommodate Change’
Dire Tladi (University of Pretoria; International Law Commission) ‘Change and Peremptory Norms of General International Law’
Katie Johnston (University of Liverpool) ‘Changing custom: identification of state practice and opinio juris in the context of existing customary international law’

Panel II: CIL Interpretation as a Tool in the Normative Development of International Law

Chair: Ramses Wessel (University of Groningen)

Speakers:
Fuad Zarbiyev (Graduate Institute of International and Development Studies) ‘Are Joint Treaty Interpretations Controlling? The Changing Legal Regime of Authentic Treaty Interpretation’
Thomas Kleinlein (Friedrich-Schiller-Universität Jena) ‘Change of Peremptory Norms of General International Law (Jus Cogens)’
Enzo Cannizzaro (Università di Roma “La Sapienza”) ‘Evolution by Conflict’