Which of the following is a source of international law that the ICJ applies when deciding contentious cases, as specified in Article 38 of its Statute?
- UN General Assembly resolutions
- International custom, as evidence of a general practice accepted as law
- National court decisions
- Media reports
Answer: International custom, as evidence of a general practice accepted as law
Article 38 lists primary sources: international conventions, customary international law, general principles of law, and (as subsidiary means) judicial decisions and scholarly writings. Customary law requires widespread state practice accompanied by opinio juris (belief of legal obligation), forming binding rules beyond treaties.