Justification and Excuse in International Law: Concept and Theory of General Defences

The defences available to an agent accused of wrongdoing can be considered as justifications (which render acts lawful) or excuses (which shield the agent from the legal consequences of the wrongful act). This distinction is familiar to many domestic legal systems, and tracks analogous notions in moral philosophy and ordinary language. Nevertheless, it remains contested in some domestic jurisdictions where it is often argued that the distinction is purely theoretical and has no consequences...