La Ley de justicia y paz aparecio en el ano 2005 con el fin de servir como instrumento de justiciatransicional, que sirviera para allanar el camino de la busqueda de la paz. Sin embargo, laaplicacion de una tesis maximalista, segun la cual se debia investigar y juzgar todos los casosy a todos los responsables, implico un colapso de la misma, por lo que la Fiscalia procedio aestablecer criterios de priorizacion de casos a traves de una norma de derecho blando, paracuya expedicion carecia de competencia, en ese momento. Al final se propone un test de ductilidadnormativa aplicable a las normas de derecho blando, en aras de denotar no solo la faltade competencia, sino tambien la invasion de funciones al legislador, por parte de la Fiscalia.AbstractThe justice and peace law was created in 2005 in order to serve as an instrument for transitional justicethat could pave the way to a peaceful search solution. However, the implementation of a maximalistposition whereby all cases must be tried and sentenced, involved a collapse of the same, so the Attorneyproceeded to establish criteria for prioritizing cases through a soft law, for wich expedition lackedcompetence, in that moment. At the end a ductility test for soft law is proposed in order to denotenot only the lack of competition, but also the invasion of the legislature functions by the Attorney.Keywordsjustice and peace, prioritization, transitional justice, soft law, ductility test.