What is necessary before a rule can be considered customary international law?
Correct answer: D. Both a and cSupport Rights Causes
- A. Evidence of general state practice
- B. That it is enshrined in a treaty
- C. Evidence that states accept such practice as law
- D. Both a and cSupport Rights Causes
Explanation
Customary international law requires both sufficiently general and consistent state practice and opinio juris, meaning states follow that practice because they regard it as legally required. A treaty is not necessary for a rule to become customary law.
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