30-Day Deadline for the Commissioner-Investigator's Opinion: Absence of Sanction Changes Everything

Picture the scene: you are the owner of a small house in La Seyne-sur-Mer, in the Var, for thirty years. One morning, you receive a letter from the town hall: your land is targeted by a public utility project, and a parcel inquiry (that is, an inquiry that precisely identifies the plots concerned by an expropriation) is opened. You research, read the texts, and discover that the commissioner-investigator (the person responsible for collecting public observations and giving an opinion) must deliver his report within 30 days following the closure of the inquiry. Weeks pass, the deadline is exceeded, and you say to yourself: "The procedure is void, I will be able to challenge the expropriation!"

But what does the law say? The question that many property owners ask is simple: does the failure to comply with this 30-day deadline allow the procedure to be annulled? In other words, if the commissioner-investigator delivers his opinion a month late, does the expropriation become illegal?

The Court of Cassation, in a judgment of 4 May 1984 (No. 83-70.163), answered clearly: no. It held that this deadline carries no sanction. In short, even if the commissioner-investigator exceeds the deadline, the procedure remains valid. This decision, although old, remains current and still governs parcel inquiries today. Let's break it down together.

The Facts: A Story Like Those That Happen Every Day

The case begins in Brignoles, a commune in the Var. A property owner, whom we will call Mr. X, sees his land included in a declaration of public utility (DUP, i.e., the administrative decision recognising that a project is of general interest) for the realisation of a communal project. A parcel inquiry is opened to precisely identify the plots to be expropriated and to collect observations from the owners.

The inquiry proceeds normally, but the commissioner-investigator delivers his opinion on 27 November 1982, whereas the 30-day deadline provided for by Articles R 11-20 and R 11-25 of the Expropriation Code had expired several weeks earlier. Mr. X, considering that this delay vitiates the procedure, brings the matter before the court to have the order of cessibility (the act declaring the plots cessible, i.e., expropriable) annulled.

Does the administrative court rule in his favour? Not so fast. The case goes up to the Court of Cassation, which must decide: is the 30-day deadline mandatory or merely indicative? Mr. X argues that failure to comply with a legal deadline must result in the nullity of the procedure, as it infringes the rights of property owners. The administration, for its part, argues that the deadline is an internal measure, with no sanction provided for by law.

The twist: the Court of Cassation, in a landmark decision, rules in favour of the administration. It holds that the non-observance of the 30-day deadline "carries no sanction," and consequently, the procedure remains valid. Mr. X loses his appeal, and the expropriation can proceed.

The Reasoning of the Court — Explained

To understand this decision, we must look at the texts. Articles R 11-20 and R 11-25 of the Expropriation Code (in their version then in force, now codified in Articles R131-3 et seq. of the same code) require the commissioner-investigator to file his inquiry report and opinion within 30 days from the closure of the inquiry. But the law does not say: "If this deadline is not met, the procedure is void."

The judges of the Court of Cassation apply a classic principle here: no nullity without a text. In other words, a procedural irregularity leads to annulment only if a text expressly provides for it. However, the Expropriation Code does not provide for any sanction for this specific case. Therefore, even if the deadline is exceeded, the commissioner-investigator's opinion remains valid.

What few people know is that this solution is consistent in expropriation law. The Court of Cassation distinguishes between "mandatory" deadlines (whose non-compliance leads to nullity) and "indicative" deadlines (which carry no sanction). For a deadline to be mandatory, the law must specify this, for example by saying "on pain of nullity." This is not the case here.

However, be careful: the reasoning is not purely formal. The Court essentially emphasises that the purpose of the parcel inquiry is to inform property owners and collect their observations. If the commissioner-investigator has properly fulfilled his mission, the mere exceeding of the deadline does not infringe the rights of property owners. undefined, I have come across cases where owners tried to have an expropriation annulled on this ground, without success.

What This Changes for You — Practically

For property owners: if you are subject to an expropriation and the commissioner-investigator exceeds the 30-day deadline, you cannot challenge the procedure on this ground alone. You must look for other irregularities, such as a lack of information, an error in the perimeter, or an insufficiency of the public inquiry. A concrete example: in Brignoles, a property owner whose plot is included in a DUP for a bypass road cannot block the project by invoking an opinion given at 45 days instead of 30. He must prove that the opinion is botched or that his observations were not taken into account.

For tenants: even if you are not the owner, you may be affected if the housing you occupy is expropriated. You are entitled to an eviction indemnity (a sum paid to compensate for the loss of your leasehold right). But the failure to comply with the 30-day deadline does not give you an additional right. You must focus on the amount of the indemnity.

For purchasers: if you are buying land that has been the subject of a parcel inquiry, check the dates carefully. Even if the commissioner-investigator's opinion is late, the procedure is valid. But this may be an indication of poor management of the file. Be vigilant.

For co-owners: if a co-ownership is subject to an expropriation, each co-owner is individually affected. The absence of a sanction for the 30-day deadline does not protect you. You must act collectively to verify the entire procedure.

Concrete example: in La Seyne-sur-Mer, a planned development zone (ZAC) project led to the expropriation of several property owners. One of them challenged the 45-day delay of the commissioner-investigator's opinion. The court rejected his claim, and he had to pay the procedural costs (approximately €2,000). Moral of the story: it is better not to pursue this line of argument.

Four Tips to Avoid This Type of Dispute

• Check the dates of the parcel inquiry as soon as you receive the notice of opening. Note the closing date and the 30-day deadline. Even if non-compliance is not sanctioned, this allows you to follow the procedure and detect other anomalies.
• Participate actively in the inquiry. Submit written observations in the inquiry register. The more elements you provide, the more you will be able to challenge the substance of the opinion if necessary.
• Consult a lawyer lawyer from the start of the procedure. Do not delay. A lawyer will be able to identify the real grounds for challenge, such as an error in the composition of the property or an insufficiency of the DUP.
• Do not base your appeal solely on the failure to comply with the 30-day deadline. As we have seen, it is doomed to fail. Look for substantial irregularities, such as the absence of individual notification or the failure to publish the order of cessibility.

Further Reading: Related Case Law and Developments

This 1984 decision is part of a consistent line of authority. The Court of Cassation has, for example, held in a judgment of 12 July 1979 (No. 78-70.341) that the failure to publish the order of cessibility within the legal deadlines was also not sanctioned by nullity. On the other hand, it has annulled procedures for failure to display the notice of inquiry (Cass. civ. 3e, 15 June 1983, No. 82-70.042). The trend is clear: only irregularities that infringe the rights of property owners are sanctioned. The mere delay in delivering the opinion is not considered a sufficient infringement.

Since 1984, the legislation has evolved. The Expropriation Code was rewritten in 2014 (Ordinance No. 2014-1345), but Articles R 131-3 et seq. retain the same 30-day deadline without sanction. The case law therefore remains current. In the future, it is not impossible that the legislator will introduce a sanction, but for now, the rule is unchanged.

Key Points to Remember

FAQ:

Q: The commissioner-investigator delivered his opinion after 40 days, can I annul the expropriation?
A: No, the 30-day deadline is not sanctioned. The expropriation remains valid.

Q: What are the really important deadlines in an expropriation?
A: The two-month deadline to challenge the order of cessibility before the administrative court (Article R121-1 of the Expropriation Code). Do not miss it.

Q: Can I obtain damages for the commissioner-investigator's delay?
A: Theoretically yes, if you prove a direct loss (e.g., additional advisory fees). But this is difficult to demonstrate.

Q: What should I do if I discover an irregularity in the parcel inquiry?
A: Consult a lawyer quickly. Appeals have strict deadlines (2 months for an interim suspension, 2 months for an annulment claim).

Q: Does this decision still apply today?
A: Yes, it is still the reference. The current texts are identical on this point.

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