Subdelegation of a Letter of Request: When Is an Arrest Outside the Jurisdiction Lawful?

Imagine: you are a landlord in Mauguio, peacefully settled in your flat. Suddenly, the police knock on your door. A tenant, listed in the wanted persons file, is arrested by officers from another department. You wonder: is this legal? Is the procedure tainted by irregularity?

This question, though technical, directly affects fundamental rights. In a decision of 2 February 2005, the Court of Cassation ruled: the arrest and placement in police custody carried out by a judicial police officer (OPJ) of the place of discovery, even if he is not the one executing the letter of request, are lawful, provided that the OPJ has territorial jurisdiction. In other words, no prohibited subdelegation.

But what exactly does this change for you, landlord, tenant or real estate professional? An analysis of a decision that clarifies the rules of police jurisdiction, with concrete examples in Palavas-les-Flots.

Facts: a story that happens every day

Mr X, a landlord in Mauguio, rents a studio to a young man. The latter, involved in a drug case, is the subject of a letter of request issued by an investigating judge in Paris. A Parisian police service is responsible for executing it. But the tenant moves without notice and takes refuge in Palavas-les-Flots, at a friend's house.

One evening, during a routine check, an OPJ from the night brigade of Palavas-les-Flots discovers that the young man is listed in the wanted persons file. He arrests him and places him in police custody. The problem? This OPJ is not the one who received the letter of request. The tenant's lawyer cries illegality: according to him, this is a prohibited subdelegation of the execution of the letter of request. The procedure would be void.

The case goes up to the Court of Cassation. At first instance, the criminal court had followed the lawyer and annulled the police custody. But the investigating chamber of the Montpellier Court of Appeal, seized by the prosecution, validated the procedure. The tenant appeals to the Court of Cassation. The High Court must decide: is the arrest by an OPJ not designated in the letter of request lawful?

The reasoning of the court — analysed

The Court of Cassation relies on Article 81 of the Code of Criminal Procedure (which governs letters of request) and Article 20 of the same code (which defines the powers of OPJs). In short, a letter of request is a mandate given by the investigating judge to a police service to carry out investigative acts. But the legislator did not provide that only the named OPJ could intervene. The essential point is that the acting OPJ has territorial jurisdiction (i.e., within his geographical area) and acts within the scope of his duties.

In this case, the OPJ of Palavas-les-Flots was indeed competent to arrest a wanted person in his sector. The fact that another service is in charge of the letter of request does not prevent a local OPJ from acting, especially in the event of a fortuitous discovery. Note, however: this is not a subdelegation, because the local OPJ does not execute the letter of request himself; he merely arrests and places in police custody, pending the designated service taking over.

The judges therefore reject the argument of prohibited subdelegation. They recall that the lawfulness of police custody depends on respect for the person's rights (notification of lawyer, duration, etc.), not on the precise identity of the OPJ who placed him in custody. undefined, I have encountered cases where lawyers attempted to annul procedures for similar procedural defects. This decision cuts short that strategy.

What this changes for you — concretely

For landlord-owners: if your tenant is involved in a criminal case, know that law enforcement can intervene quickly, even if the investigation is conducted by a distant service. This can speed up the release of the property in the event of neighbourhood disturbance or drug use. Example: in Palavas-les-Flots, a landlord was able to recover his flat more quickly after his tenant's arrest for trafficking, because the procedure was not annulled.

For tenants: you cannot invoke the incompetence of the OPJ who arrests you to have the police custody annulled. If you are wanted, you can be arrested by any OPJ with territorial jurisdiction. What few people know: even if the investigation is conducted in Paris, an OPJ in Montpellier can place you in police custody.

For real estate professionals: in the event of a rental dispute with a tenant subject to criminal proceedings, this decision secures arrest actions. You can therefore rely on a lawful procedure to obtain termination of the lease for serious grounds.

Concretely, if you are in this situation, you must verify that the OPJ was indeed within his geographical area. If so, the police custody is valid. Police custody limits remain 24 hours (renewable once). If in doubt, consult a specialised lawyer.

Four tips to avoid this type of dispute

• Verify the OPJ's territorial jurisdiction: in case of arrest, ask the OPJ to justify his membership of the area (professional card, service mention). If the OPJ is not competent, the procedure may be annulled.
• Keep proof of time and place: note the time of the arrest and the exact location. This allows verification that the OPJ was on duty and in his sector.
• Insist on notification of lawyer: from the moment of placement in police custody, you have the right to a lawyer. If the notification is late, the custody may be irregular. In Mauguio, a local lawyer can intervene quickly.
• Do not sign anything without understanding: if you are arrested, read the police report carefully. If in doubt, refuse to sign and ask to see a lawyer. A hasty signature can harm you.

Further analysis: related case law and developments

Before 2005, some courts had a strict interpretation: only the OPJ named in the letter of request could carry out the arrest. The Criminal Division of the Court of Cassation had already admitted exceptions (for example, in case of urgency). The judgment commented here confirms and extends this flexibility. Since then, case law has evolved towards greater tolerance, notably with the judgment of 10 May 2016 (No. 15-82.876) which validates arrest by an OPJ of a different service in case of fortuitous discovery. The trend is clear: the regularity of the procedure prevails over formalism. For the future, it is likely that courts will continue in this direction, unless the legislator intervenes. In the meantime, this decision remains a reference for all legal professionals.

What you absolutely must remember

Express FAQ:

Can an OPJ arrest me if he is not from the same city as the judge? Yes, if he has territorial jurisdiction. The letter of request is not a personal mandate.

What to do if I am arrested by an OPJ from another service? Verify his territorial jurisdiction. If established, the procedure is lawful. Otherwise, challenge it.

Can I obtain annulment of police custody for procedural defect? Only if the OPJ did not have territorial jurisdiction or if your rights (lawyer, duration) were violated.

What deadlines to challenge? You must raise the irregularity before any debate on the merits, generally at the first appearance.

What is the cost of a consultation? A first analysis with a specialised lawyer costs between €45 and €150, depending on the firm.

Are you in a similar situation? A first 30-minute consultation with Maître Zakine (€45) can save you months of proceedings — and often much more. Book an appointment →