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In brief. A person can be deprived of liberty in Italy before any conviction. Misure cautelari (precautionary measures) are coercive measures imposed during an investigation or trial, the most severe being custodia cautelare in carcere (pre-trial detention in prison). They are governed by artt. 272-315 of the Code of Criminal Procedure (c.p.p.) and require both serious indicia of guilt and a specific procedural danger. The decisive moment is what follows: the validation hearing, the questioning of the suspect, and the appeal to the Tribunale del riesame (review court) under art. 309 c.p.p.. For a foreign national arrested in Italy, understanding this machinery in the first hours is everything.

What precautionary measures are

Italian law allows the State to restrict a suspect’s liberty or property before a final judgment, where doing so is strictly necessary to protect the proceedings or the community. These are the misure cautelari, and they fall into two families.

Misure cautelari personali (personal precautionary measures) restrict the person. They run on a ladder of severity, from the least to the most intrusive:

  • prohibition on leaving the country (divieto di espatrio, art. 281 c.p.p.);
  • obligation to report to the judicial police (obbligo di presentazione, art. 282 c.p.p.);
  • removal from the family home and restraining order (artt. 282-bis and 282-ter c.p.p.);
  • prohibition or obligation to reside in a given place (divieto/obbligo di dimora, art. 283 c.p.p.);
  • house arrest (arresti domiciliari, art. 284 c.p.p.);
  • pre-trial detention in prison (custodia cautelare in carcere, art. 285 c.p.p.) — the most severe.

Alongside these coercive measures sit misure interdittive (disqualifying measures), such as suspension from public office or from a profession (artt. 287-290 c.p.p.).

Misure cautelari reali (real precautionary measures) restrict property — seizure (sequestro preventivo / conservativo) of assets connected to the offence.

No measure can be imposed unless two cumulative conditions are met under art. 273 c.p.p. and art. 274 c.p.p..

Serious indicia of guilt (gravi indizi di colpevolezza, art. 273): the evidence must point, at a serious level, to the suspect having committed the offence. This is not proof beyond reasonable doubt, but it is more than mere suspicion.

Precautionary needs (esigenze cautelari, art. 274): there must be a concrete, specific danger of one of three kinds — (a) risk of tampering with evidence (inquinamento probatorio); (b) risk of flight (pericolo di fuga); (c) risk of repetition of serious offences (pericolo di reiterazione).

Two principles, reinforced by repeated reforms, govern the choice of measure under art. 275 c.p.p.: adequacy (the measure must fit the actual danger) and proportionality (it must be proportionate to the offence and the likely sentence). Crucially, pre-trial detention in prison is the extrema ratio — the measure of last resort, to be ordered only when no lesser measure suffices. The defence’s first structural argument is almost always that a lesser measure would do.

From arrest to the validation hearing

Two routes lead to custody, and they must not be confused.

A precautionary order (ordinanza di custodia cautelare) is issued by the Giudice per le indagini preliminari (preliminary-investigation judge, GIP) on the prosecutor’s application. Since the Nordio Reform (L. 114/2024) the GIP must, as a rule, question the suspect before issuing the order, after disclosing the file to the defence (interrogatorio preventivo, art. 291(1-quater) et seq. c.p.p.), on pain of nullity. The prior questioning is skipped where the judge finds a risk of flight or of tampering with evidence, or a risk of repetition of the most serious offences — which, in practice, is often asserted against foreign nationals. From 28 February 2027 an order for detention in prison will be made by a panel of three GIPs (art. 328(1-quinquies) c.p.p.); the start date, originally 25 August 2026, was postponed by Decree-Law 100/2026, converted into L. 145/2026. Where there was no prior questioning, the GIP must conduct the questioning of the person subjected to the measure (interrogatorio di garanzia, art. 294 c.p.p.) within five days of the start of detention in prison (ten days for other measures) — the first occasion for the defence to be heard. Failure to hold it in time makes the measure lose effect.

An arrest in flagrante (arresto in flagranza) or a fermo (detention of a suspect) by the police is followed by the validation hearing (udienza di convalida, art. 391 c.p.p.): the police must place the person at the prosecutor’s disposal within 24 hours (art. 386 c.p.p.), the prosecutor must request validation within 48 hours of the arrest (art. 390 c.p.p.), and the GIP must hold the hearing within the following 48 hours — 96 hours at most — deciding whether to validate the arrest and whether to impose a precautionary measure. Missed deadlines make the arrest lose effect. The validation hearing is where an unlawful arrest is challenged and where house arrest or release can first be argued.

For a foreign suspect, the right to an interpreter (including for conversations with counsel) and to the written translation of the custody order (art. 143 c.p.p.), and the right to have the consulate and a family member informed (artt. 386-387 c.p.p.; art. 36 Vienna Convention on Consular Relations), attach immediately; defects here may themselves found a challenge.

Challenging custody: the riesame and beyond

Italian law gives the defendant a powerful, fast remedy against a custody order: the riesame.

The request for review (richiesta di riesame, art. 309 c.p.p.) is filed within ten days of execution of the personal measure, before a specialist panel, the Tribunale del riesame (review court, sometimes called Tribunale della libertà). It is a full re-examination of both the indicia of guilt and the precautionary needs, not merely a legality check. The tribunal must decide within tight deadlines; failure to transmit the file within five days, or to decide within ten days of receipt, voids the measure — a procedural sanction the defence watches closely.

Two further remedies complete the system:

  • the appeal (appello cautelare, art. 310 c.p.p.) against other precautionary decisions;
  • the appeal to the Court of Cassation (ricorso per cassazione, art. 311 c.p.p.) on points of law against the review tribunal’s decision.

Separately, a request to revoke or replace the measure (istanza di revoca o sostituzione, art. 299 c.p.p.) can be filed at any time when the conditions change or the danger recedes — the natural route, for instance, once evidence-tampering risk has expired.

Alternatives to prison and the foreign defendant

Because prison is the last resort, the live battle is usually over the alternative. House arrest (art. 284 c.p.p.), with or without electronic monitoring (braccialetto elettronico), is the most common substitute; reporting obligations, residence orders and travel bans are the lighter rungs.

For a foreign national, prosecutors routinely assert pericolo di fuga — flight risk — precisely because the person has ties abroad. This is the recurring fault line. The defence answers it with stable ties to Italy, surrender of the passport, a fixed Italian address, and electronic monitoring, building a package that neutralises the flight argument and makes a non-custodial measure adequate. Where an arrest follows a cross-border alert, the matter connects to our extradition and EAW work and to the broader Italian criminal procedure framework.

How ILA acts on custody

Speed defines this practice. The firm’s response is structured around the statutory clock:

  1. Immediate intervention. From notification of the arrest we secure the questioning and validation hearing, assert interpreter and consular rights, and access the file.
  2. The riesame. We prepare the ten-day review challenge as the principal offensive remedy, attacking both the indicia and the precautionary needs.
  3. The release package. In parallel we assemble the alternative-measure case — address, guarantees, monitoring — to move the client from prison to house arrest or liberty.

FAQ

How long can someone be held in pre-trial detention in Italy? There are statutory maximum terms (termini di durata massima, art. 303 c.p.p.) that increase with the seriousness of the offence and the stage of the proceedings, with overall ceilings of 2, 4 or 6 years depending on the maximum statutory penalty; when a term expires, the measure must end. Detention is also subject to revocation at any time if the conditions fall away, and to the ten-day riesame challenge.

What is the riesame and how fast must I act? The riesame is the review of a custody order before a specialist tribunal under art. 309 c.p.p. You must file within ten days of execution of the measure. It is a full re-examination of the case for custody, and missed statutory deadlines on the court’s side can void the measure — so it is both fast and powerful.

Will a foreign national automatically be kept in prison because of flight risk? No, but flight risk is the argument prosecutors press hardest against foreigners. It is answered with concrete ties to Italy, surrender of the passport, a fixed address and electronic monitoring. A well-built package frequently secures house arrest or a lighter measure instead of prison.

Speak to the firm

If you or someone close to you has been arrested or served with a custody order in Italy, the statutory deadlines are already running. ILA acts immediately on validation hearings, the riesame and release applications within our Italian criminal procedure practice. Contact us through the Contact page or read more about the firm.