Multiple choice

The formal sources of international law are:

  1. Custom

  2. Treaties

  3. Decisions of the Judicial and arbitral tribunals

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The formal sources of international law, as enumerated in Article 38(1) of the ICJ Statute, include international conventions (treaties), international custom, and the general principles of law. Judicial decisions and arbitral awards serve as subsidiary means for determining rules of law. Therefore, all the options listed - Custom, Treaties, and Decisions of tribunals - constitute formal sources.

Keep practicing — related questions