The Function of Soft-Law in International Law

神奈川県茅ヶ崎市 There are a lot of soft-laws in contemporary international law. For example, some of the declarations in international environment law, and the resolutions of the General Assembly. Soft-law is aspecial legal norm, becouse both declaretion and resolution have not definite description about right and obligation. Soft-law is a topic among the international lawyers. Some of them think that soft-law will weaken international law. But they do not recognaize the fact that soft-law is existenting in international law. What is the role of soft-law? It is an important problem for international law, because we can recognize what is the nature of international law, and why soft-law is needed. If we want realize the role of soft-law, an useful aproach is provided for us. That is a view of socielogy of law, namely "legalization". "Legalization" found a fact that law, especialy definit legal norms, that is called "hard-law", all the better for, suffocate people's autonomy. But in the opposite, soft-law support or guard people's autonomy. International society is a community that their member are independent sovereignty-states, so the autonomy of the states is neened for realization of international law and fulfillment of international legal order. Soft-law, that is a special legal norm, is not necessary to become hard-law, because it has a special role in international law, for examble, in international environment law. Soft-law is not only needed for international law, but also significant to jurisprudence