The statute of limitations in administrative sanctioning procedures as regulated in Law Nº 27444, Law on General Administrative Procedure is clearly insufficient, consequently causing various complications at the time of its application. Thus, the central problem lies in whether this legal institution must declare ex officio by public entities or previously it needs a request from the intervening administration. This in light of the principle of administrative legality, generates the existence of two interpretations within the same public administration which are contradictory to each other. It is for this reason that we have analyzed the causes and consequences of the existence of this problematic interpretative of the norm, for which it has been taken into account that under the principle of legality, the public administration is obliged to comply with the Constitution and Laws, conse...