Notwithstanding the preceding Article, if a law is promulgated, deeming an act or an omission as a crime, or increasing the penalty that has previously prescribed therefor, and if said law is temporary and limited to a specific period of time, or if some exceptional and unexpected circumstances have caused such law to be promulgated, in such a case, the expiry of the period set for its application or the forfeiture of the exceptional and unexpected circumstances shall neither prevent from filing criminal cases for any crime committed within said expired period, nor preclude the execution of the penalty which may have been imposed in accordance with said law.
Interpretation and application must be checked against the official text and current version.