The creation of the International Law Commission arouses from the necessity imposed by the text of the UN Charter. According to article 13 paragraph 1 (a) of the Charter of the United Nations, the General Assembly is responsible for the promotion of the progressive development of international law and codification of such. In this regard, the Resolution 174 (II) of 21 November 1947 came with this purpose. So, the Commission’s nature is of an institutional and permanent subsidiary organ to the General Assembly of the UN, serving the purpose of perfecting the sources of law in the international ambit.