El principio de favorabilidad es estelar del Derecho Penal, y es aplicable al derecho
disciplinario, teniendo en cuenta que, se deben buscar aquellas disposiciones que sean más
benignas al sujeto disciplinado y por ende resulten menos drásticas ya sea en materia sustantiva
y procesal. La Corte ha considerado obligatorio el respeto del principio de favorabilidad, de
conformidad con el cual la ley permisiva o favorable, aun cuando sea posterior, se aplica de
preferencia a la restrictiva o desfavorable. Frente a este punto, ha advertido que aun cuando el
artículo 29 de la Constitución se refiere a la aplicación del principio en materia penal. Este
supone la aplicación de la norma más favorable al investigado o juzgado, aun cuando sea
posterior.
The favourable law principle is principal in the criminal law, but is applicable to disciplinary law too; taking into account that those provisions that are more benign to the disciplined subject and therefore less drastic should be sought, both in substantive and procedural matters. The Court has considered mandatory the respect of the principle of
favorability, in accordance with which the permissive or favorable law, even when it is later, is applied in preference to the restrictive or unfavorable one. Regarding this point, it has warned
that even though article 29 of the Constitution refers to the application of the principle in criminal matters This supposes the application of the most favorable norm to the investigated or judged, even when it is later.