Reference Decision: cc • No. 12-80.526 • 2012-09-18 • View the decision →
Imagine: you own a flat in Sophia-Antipolis that you rent to a young professional. One day, you learn that your tenant has been arrested for driving without a licence, placed in police custody, and then summoned to appear before the criminal court. But here's the thing: the police custody was tainted by irregularities (lack of a lawyer, for example). Your tenant thinks the summons is void. Is he right? The question every litigant asks: can a flawed procedure at the outset lead to the annulment of everything that follows? This decision of the Court of Cassation of 18 September 2012 (No. 12-80.526) provides a clear answer: the summons to appear before the criminal court is a separate act from police custody, and irregularities in the latter do not automatically contaminate it. In short, even if the police custody was irregular, the summons remains valid and the case can be heard.
The Facts: A Story Like Many Others
Mr X, a resident of the Nice area, is caught driving his vehicle without a driving licence. He is placed in police custody by the police. During this measure, irregularities are committed: perhaps a failure to inform him of his rights, or an absence of a lawyer. In any event, at the end of the police custody, a judicial police officer (OPJ), on the instructions of the public prosecutor, serves him with a summons to appear before the criminal court to answer for the offence of driving without a licence. Mr X appears and is sentenced to two months' imprisonment. He appeals, arguing that the summons is void because the police custody was irregular. The Rennes Court of Appeal (in a judgment of 20 December 2011) rejects his argument. Mr X appeals to the Court of Cassation. The Court of Cassation confirms: the summons is a separate act from police custody, and its legal regime is independent. Thus, even if the police custody is annulled, the summons remains valid, unless a direct causal link between the irregularity and the summons is demonstrated.
The Reasoning of the Court — Explained
The Court of Cassation relies on the articles of the Code of Criminal Procedure relating to summons by an OPJ (Articles 394 et seq.). It recalls that this summons is a separate prosecutorial act from police custody, which is a temporary coercive measure. In law, each procedural act has its own validity: an irregularity affecting police custody (such as the absence of a lawyer) does not automatically render subsequent acts void, unless those acts are a direct consequence of it. Here, the summons is not a consequence of the police custody: it is decided by the prosecutor, independently of the conditions of the police custody. The Court also specifies that the accused retains all his rights at the hearing: he can challenge evidence, request annulments, etc. But the summons itself is lawful. In other words, the Court distinguishes the container (the summons) from the content (the evidence derived from police custody). This reasoning has been consistent since several earlier decisions, but it is reaffirmed here with force. undefined that litigants cannot hope for an annulment of the proceedings simply because the police custody was irregular: they must demonstrate how the irregularity prejudiced their rights at the hearing.
What This Means for You — Practically
For the landlord: if your tenant is prosecuted for an offence (e.g., damage), any irregularity in police custody does not invalidate his summons. You can therefore hope that the case will be dealt with quickly, without annulment for procedural defect. For the tenant or any litigant: even if your police custody was irregular, you must attend the summons. Do not think that the irregularity nullifies everything: you must raise nullities at the hearing, and not boycott the summons. For real estate professionals (agents, developers): if you are a witness or party to proceedings, the validity of the summons is independent of the investigation conditions. In Nice, for example, a developer prosecuted for a planning permission offence cannot rely on irregular police custody to have the summons annulled. However, beware: if the irregularity is serious (violence, absolute nullity), it may lead to the annulment of evidence, but not of the summons itself. undefined, I have encountered cases where clients thought everything was annulled due to irregular police custody: they had to attend and defend themselves on the merits.
Four Tips to Avoid This Type of Dispute
- Never ignore a summons: even if you believe the procedure is irregular, attend. Failure to appear may result in an arrest warrant.
- Raise nullities at the hearing: if your police custody was irregular, apply for annulment of the evidence (not the summons) via a plea of nullity.
- Keep all documents: police custody report, notification of rights, etc. They will be used to demonstrate the irregularity.
- Consult a lawyer as soon as you are in police custody: a lawyer can challenge the conditions of the measure and prepare the defence on the merits.
Further Reading: Related Case Law and Developments
The Court of Cassation had already affirmed this principle in a decision of 14 June 2000 (No. 99-87.348): the nullity of police custody does not lead to that of the summons. This 2012 decision confirms the trend: judges want to avoid formal irregularities paralysing the entire procedure. Since then, case law has evolved towards a more flexible assessment: the summons remains valid unless the irregularity has vitiated the defendant's will or irreversibly infringed his fundamental rights. For example, if the defendant was not informed of his right to a lawyer during police custody, this may affect statements made, but not the summons. In 2021, the Court of Cassation even ruled that a summons could be issued by an OPJ even without prior instructions from the prosecutor, subject to subsequent confirmation. The trend is therefore towards the validity of acts, unless there is a major defect.
What You Absolutely Must Remember
- The summons to appear before the criminal court is an independent act from police custody.
- An irregularity in police custody does not automatically annul the summons.
- You must attend and raise nullities at the hearing.
- Consult a lawyer quickly to prepare your defence.
Are you in a similar situation? A 30-minute initial consultation with Maître Zakine (€45) can save you months of proceedings — and often much more. Book an appointment →

