Managing the Interruption of Proceedings under Art. 300 c.p.c.: An Operational Guide

1. 1.

   Verification of Interruption Grounds and Affected Parties

   The first step is to verify if the event falls within the exhaustive list provided by law. Interruption may arise from the death of a party, loss of legal capacity (perdita della capacità di stare in giudizio, such as interdiction), or termination of legal representation. It is crucial to distinguish the applicable regime: if the event affects the party before their appearance (costituzione), interruption is automatic under Art. 299 c.p.c. Conversely, if the party has already appeared via counsel, interruption occurs only following the lawyer's declaration in court or notification to the other parties, as per Art. 300 c.p.c. Without these formalities, proceedings continue validly under the principle of surviving authority (ultrattività del mandato).

2. 2.

   Management of Events Affecting the Trial Lawyer

   Art. 301 c.p.c. governs interruption due to events affecting the lawyer, such as death, disbarment (radiazione), or suspension from the bar. In these scenarios, interruption occurs by operation of law (ipso iure) without needing a declaration. The Supreme Court, in ruling no. 23501/2026, reaffirmed that the effect is immediate from the day of the event, rendering all subsequent procedural acts void. Note that the revocation of a power of attorney or resignation by the lawyer does not trigger interruption. The opposing counsel must carefully monitor the status of the counterparty's lawyer, as the deadline for reinstatement will begin to run from the legal knowledge of this automatic interruption event.

3. 3.

   Declaration in Court and New Orientations on Delegation

   For parties who have appeared, interruption under Art. 300 c.p.c. requires a formal declaration on the record. A significant 2026 development concerns the modalities of this declaration: according to Ordinance no. 21336/2026 of the Supreme Court, a declaration made in court even by a substitute lawyer without a written delegation (delega scritta) is sufficient to trigger the interruption. This simplifies practice but demands greater diligence from the counterparties, whether present or absent. The deadline for reinstatement runs for all parties from the moment of the declaration on the record, regardless of their actual presence at that specific hearing, provided the summons was previously duly served.

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   4.

   Activating Voluntary Resumption under Art. 302 c.p.c.

   Resumption (prosecuzione) is the initiative taken by the party affected by the event or their heirs to reactivate the proceedings. It can occur spontaneously through appearance at a hearing or by filing a brief (comparsa) with the clerk's office. As clarified by Cassation no. 1104/2025, if at least one heir appears before the lawyer formally declares the event, interruption is avoided altogether, ensuring the continuity of the trial. This is the fastest and least burdensome route for a successor who intends to maintain the claims filed or defend against others' claims without waiting for the counterparty's initiative.

5. 5.

   Filing the Reinstatement Motion under Art. 303 c.p.c.

   If the affected party does not resume the trial, the interested counterparty must proceed with reinstatement (riassunzione). The standard procedure involves filing a motion (ricorso) with the investigating judge to set a hearing date. However, 2026 case law (Cassation no. 24914/2026) confirmed the validity of reinstatement carried out via a writ of summons (atto di citazione), provided service is timely. The document must contain the proceedings' details and reference the interruptive event. This is a critical step: omitting requirements under Art. 125 of the Implementing Provisions of the c.p.c. may flaw the act, although courts tend to preserve the effects if the goal of reactivation is met.

6. 6.

   Monitoring the Three-Month Deadline and Legal Knowledge

   The peremptory deadline for reinstatement or resumption is three months (Art. 305 c.p.c.). The starting point for this calculation is not necessarily the event itself, but rather legal knowledge of it. For declarations made in court, the deadline runs from the record; for notifications, from the receipt of the act. For automatic interruption due to the lawyer's death, Cassation no. 16046/2024 specifies that the term runs from when the party gained legal knowledge through documents with public certification (fede privilegiata). Failure to meet this deadline leads to the automatic dismissal (estinzione) of the proceedings, which the judge can observe ex officio, rendering previous activities ineffective.

References: Articoli 299, 300, 301, 302, 303, 305 c.p.c.Cassazione Civile, Sentenza n. 23501/2026Cassazione Civile, Ordinanza n. 21336/2026Cassazione Civile, Sentenza n. 1104/2025Cassazione Civile, Sentenza n. 24914/2026Cassazione Civile, Sentenza n. 16046/2024

Editorial oversight: Avv. Federico Papa·ICAMUpdated 22 October 2026Content drafted with AI support and subject to editorial source checks. Despite these controls, inaccuracies may remain: reports and rectification requests are welcome. Report a correction