Though international law is a set of rules based on consent, there are still some rules called "jus cogens". Then what is "jus cogen"? Obviously, the emerge of jus cogens conflicts with the traditional concept of international law. How can a rule apply to all the states in the international society even without their consent to accept it? And closely related to jus cogens, erga omenes are also worth thinging about. What`s the rationale behind these kind of compulsory obligations? What does the practices show? What are the most important issues toward jus cogens?
Question:
Find of the examples of jus cogens and give the examples of the applicability by judicial bodies in specific cases.
Materials
Article 53 of the Convention on the Law ofTreaties
Cases
BarcelonaTraction case(ICJ.1970)
