
Article 1217 of the civil code organizes the creditor’s response to a poorly executed or completely unexecuted contract. Since the reform of the law of obligations in 2016, this text lists five distinct sanctions that the creditor can mobilize, either alone or in combination. For an owner (landlord, seller, project manager), the question is not so much to know these sanctions as to measure their respective conditions, limits, and concrete articulation.
Sanctions of Article 1217: Comparative Table of the Five Remedies
The text provides the creditor with a range of graduated responses. Their implementation does not follow a mandated order: the owner chooses the sanction most suited to their situation, without having to justify this choice to the debtor. A detailed explanation of Article 1217 of the civil code helps to grasp the real scope of each option.
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| Sanction | Principle | Court Intervention | Main Conditions |
|---|---|---|---|
| Exception of non-performance | Suspending one’s own obligation as long as the other party does not perform theirs | No | Sufficiently serious non-performance, proportionality |
| Forced performance in kind | Compelling the debtor to perform what they owe | Yes (in principle) | Performance still possible, cost not disproportionate |
| Price reduction | Reducing the amount owed in proportion to the imperfect performance | No (notification is sufficient) | Imperfect performance accepted by the creditor |
| Contract termination | Ending the contract, with possible restitution | Variable (termination clause, notification, judge) | Sufficiently serious non-performance |
| Damages | Compensating for the harm suffered due to non-performance | Yes | Proof of harm, causal link, prior formal notice |
The last paragraph of the article specifies that non-incompatible sanctions can be combined. An owner can, for example, obtain the termination of the contract and damages for the harm suffered during the period of non-performance.

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Prior Formal Notice: The Prerequisite That Owners Neglect
Competitors describe the five sanctions but often overlook the central role of formal notice as a practical prerequisite. In real estate matters (works, leases, sales), judges increasingly require proof of a clear and prior formal notice before accepting the implementation of most sanctions.
This requirement serves as a “last chance” given to the debtor. Before pursuing forced performance, requesting a price reduction, or initiating termination, the creditor must allow the debtor a reasonable time to rectify the situation. Without this step, the sanction may be weakened before the judge.
For a landlord facing unpaid rents or a project manager dealing with a failing contractor, the recommendation is the same: send a formal notice by registered mail with acknowledgment of receipt, precisely describing the breach and the time allowed. This document becomes the central piece of the file in case of litigation.
Exception of Non-Performance: The Only Remedy Without Formal Notice
The exception of non-performance (Articles 1219 and 1220 of the civil code) differs from the other sanctions. It allows the creditor to suspend their own obligation without going through the judge and without formal notice. A tenant can, for example, suspend partial payment of their rent if the landlord refuses to make repairs that render the dwelling unfit for its intended use.
The limit is strict: the suspension must remain proportional to the seriousness of the non-performance. A minor defect (a broken door handle) does not justify the total suspension of rent. The judge assesses this proportionality on a case-by-case basis, and an excess exposes the creditor to being considered in default themselves.
Contract Termination and Price Reduction: Two Mechanisms Not to Be Confused
Termination ends the contract. Price reduction keeps it alive but adjusts the financial consideration. For an owner, the choice between these two sanctions depends on a simple criterion: is the non-performance serious enough to justify the termination of the contract, or does the creditor prefer to keep the imperfect performance for a reduced price?
Termination: Three Possible Paths
The civil code provides for three methods of termination:
- The termination clause included in the contract, which automatically takes effect if the conditions it defines are met (common in commercial leases and real estate sales contracts)
- Termination by unilateral notification, provided that the non-performance is sufficiently serious and that the debtor has been put on notice without result
- Judicial termination, pronounced by the judge when the parties do not agree on the seriousness of the breach
In residential lease matters, the termination clause for non-payment of rent remains the most commonly used mechanism. In contrast, for a real estate sale, judicial termination remains the main route in the absence of an express clause.
Price Reduction: An Underutilized Tool
Introduced by the 2016 reform, price reduction allows the creditor to accept imperfect performance while notifying the debtor of a proportional decrease in the amount owed. This sanction does not require court intervention, making it a quick lever for owners facing incomplete work.
However, the creditor must be able to justify the gap between the promised service and the service received. An initial detailed quote and a report of the work done are the documents to gather to avoid any subsequent disputes.

Damages: The Supplement That Adds to Any Other Sanction
Article 1217 specifies that damages can always be added to other sanctions. This rule means that an owner who obtains the termination of a works contract can also claim compensation for the harm caused by delays or defects.
The condition: prove actual harm and a direct link to the non-performance. Courts require concrete elements (repair invoices, expertise, documented rental loss). A claim for damages without quantified proof of harm is systematically rejected.
Article 1217 of the civil code provides owners with a comprehensive arsenal, but each sanction obeys its own conditions. Formal notice, proportionality, and proof of harm remain the three points on which a case is won or lost.