The clause of acting for another is a form of attribution of criminal liability that has gained importance in modern societies. The reason for its rise is its ability to solve the punishability gaps that were present in special crimes, especially when the objective elements of the type were divided into two different persons. However, its legitimacy has been the subject of study by doctrine and jurisprudence, without this being a peaceful issue. Therefore, in this paper we will study the figure of acting for another in Spain and Colombia, we will analyze the different dogmatic theses that legitimize it and we will make a proposal from a normative point of view.La cláusula del actuar por otro es una forma de atribución de responsabilidad penal que ha cobrado importancia en las sociedades modernas. La razón de su auge es su capacidad de solucionar las lagunas de punibilidad que se presentaban en los delitos especiales, máxime cuando se fraccionaban los elementos objetivos del tipo en dos personas diferentes. Sin embargo, su legitimidad ha sido objeto de estudio por la doctrina y la jurisprudencia, sin ser este un tema pacífico. Por ello, en este trabajo estudiaremos la figura del actuar por otro en España y en Colombia. Analizaremos las diferentes tesis
