The Supreme Court on Accessory Penalties in Plea Bargains on Appeal: Judgment No. 21233 of 09/04/2025

The Supreme Court of Cassation, with judgment No. 21233 of 09/04/2025, has provided an important clarification on the application of accessory penalties in plea bargains on appeal. This ruling reaffirms the principle of legality of punishment and the need to respect "ratione temporis" legislation for the duration of sanctions, even in negotiated contexts. A crucial decision for the defendant's guarantees and the correct interpretation of criminal law.

The Context: "Illegal" Accessory Penalties

The case concerned M. S. L. E. V. M., for whom the Court of Appeal of Venice had imposed accessory penalties (Art. 317-bis C.P.) in perpetuity. The problem: the "ratione temporis" legislation in force, based on the principal penalty agreed upon, provided for only a temporary duration. The Supreme Court, presided over by Judge G. De Amicis and with Judge A. Costantini as rapporteur and author, qualified these sanctions as "illegal" due to non-compliance with the law.

The Supreme Court's Ruling and the Principle of Legality

Judgment No. 21233 of 2025 crystallizes the essential principle through its ruling:

In the context of plea bargains on appeal, accessory penalties of disqualification from public office and incapacity to contract with public administration pursuant to Art. 317-bis of the Criminal Code, imposed in perpetuity despite the fact that, with regard to the extent of the principal penalty agreed upon, the "ratione temporis" legislation in force provided for their only temporary application, constitute illegal penalties, with the consequent necessity for the Court of Cassation to annul the appealed judgment "in part qua" and refer the case back, so that the appellate judge, while maintaining the content of the plea bargain, may proceed to redetermine their duration according to the parameters set by Art. 133 of the Criminal Code.

The Court clarifies that an accessory penalty, even if arising from an agreement, must respect the principle of legality (Art. 25 of the Constitution, Art. 7 of the ECHR). If the applicable law ("ratione temporis") provided for a temporary duration, its perpetual application renders it "illegal." The Supreme Court therefore annulled the judgment limited to the accessory penalties, referring the case back to the appellate judge to redetermine their duration according to Art. 133 C.P., without affecting the rest of the plea bargain.

Conclusions and Legal References

The decision is a significant warning: the principle of legality of punishment is indispensable. Accessory penalties must be applied with scrupulous adherence to the law. The application of an "illegal" accessory penalty is not permissible. The Supreme Court intervenes to ensure that every sanction is proportionate, legitimate, and compliant with legal provisions, strengthening legal certainty and the protection of the fundamental rights of the defendant.

• Art. 317-bis of the Criminal Code: Accessory penalties for crimes against Public Administration.
• Art. 133 of the Criminal Code: Criteria for the assessment of penalties.
• Art. 599-bis of the Code of Criminal Procedure: Regulation of plea bargains on appeal.
• "Ratione Temporis" Principle: Fundamental for the correct determination of penalties.