International Law Crossword Puzzle

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Across
  1. 5. Unwritten international law that develops through consistent and representative State practice accompanied by a belief that the practice is legally required (opinio juris)
  2. 6. A public statement by an authorised State official that manifests an intention to be legally bound. Such declarations can create binding international legal obligations without a treaty, as recognised in the Nuclear Tests case.
  3. 7. The belief by States that they are acting because they are legally obliged to do so, rather than out of courtesy, convenience or habit
  4. 8. Peremptory norms of international law from which no derogation is permitted. Examples include the prohibitions on genocide, torture, slavery and crimes against humanity.
  5. 9. A State that consistently objects to an emerging rule of customary international law while it is developing is generally not bound by that rule once it crystallises (except for jus cogens norms).
Down
  1. 1. The conduct of States that demonstrates how they behave in relation to a rule of international law. For a custom to form, the practice must generally be consistent and representative
  2. 2. Judicial decisions and the writings of highly qualified publicists, which assist courts in determining the content of international law but do not themselves create legal obligations.
  3. 3. A written international agreement between States (or other recognised international actors) governed by international law. Defined in art 2(1)(a) of the Vienna Convention on the Law of Treaties (VCLT)
  4. 4. Legal principles recognised by most domestic legal systems that may be used by international courts where appropriate (e.g. good faith or denial of justice). They are one of the principal sources listed in Article 38 of the ICJ Statute