INTRODUCCIóN AL ESTUDIO DE LAS NORMAS DE IUS COGENS EN EL SENO DE LA COMISIóN DE DERECHO INTERNACIONAL, CDI

this article analyses the origin of ius cogens rules through its evolutionary process in the international law commission. in particular, the article includes the work of special rapporteurs dealing with the law of treaties project, in which the concept of imperative rules and ius cogens was studied. some differences between these rules and humanitarian law have also been included. according to article 53 of the vienna convention on the law of treaties, a peremptory norm "is a norm accepted and recognized by the international community of states as a whole as a norm from which no derogation is permitted and which can be modified only by a subsequent norm of general international law having the same character".