Rethinking the Sources of International Law

analysis article 38 basis binding force binding or non-binding bronnen cerned character classes of manifestations concerned conclusion Conference consensus consensus-procedure consent or acceptance Court of Justice custom customary international law customary rule decisions Declaration doctrine of sources Droit International existing rules fact framework function Hart Helsinki Final Act Ibidem infra instance instrument International Court international law-making process international organizations international relations international society internationale recht judicial jus cogens Law of Treaties legal rules legal systems legally binding loc.cit national law Natural Law normative concept obligations official development assistance opinio juris pacta sunt servanda particular peremptory norms political Positivism present author's view present study procedural question recognized relevant requirement respect result rule of recognition rules of international rules of law sense soft law sources of international state-practice status supervision or follow-up supra term theory Thirlway tion tional law traditional sources United Nations usus Vienna Convention zijn