A guarantor cannot rely on earlier personal guarantees (cautionnements) that they failed to declare in order to establish that their own undertaking was manifestly disproportionate, where the information sheet (fiche de renseignements) completed at the bank's request showed no apparent anomaly. The absence of any section devoted to such guarantees in the form makes no difference. The commercial chamber gives its ruling on the basis of Article L. 341-4 of the French Consumer Code, as applicable to the dispute (Com., 17 December 2025, No. 24-16.851).
Key points
- A professional creditor cannot rely on a personal guarantee that was manifestly disproportionate to the assets and income of the individual guarantor when it was entered into, unless the guarantor's assets, at the time when they are called upon, enable them to meet their obligation.
- The information sheet signed by the guarantor, free of apparent anomalies, fixes the financial position that may be raised against them: the guarantor can no longer argue that their actual position was less favourable.
- Guarantees entered into earlier with other institutions and not mentioned in that sheet cannot be used to demonstrate disproportion, even if the form did not call for them.
- In the absence of apparent anomaly, the bank may rely on the information declared by the guarantor.
Disproportionate personal guarantee: what the court held
The commercial chamber dismisses the appeal: a guarantor cannot base the disproportion of their undertaking on earlier guarantees absent from the information sheet they signed. A company opened a current account with a bank on 29 October 2013. On 6 November 2013, two individuals became joint and several guarantors of that company's obligations towards the bank. Following the company's judicial reorganisation (redressement judiciaire) and then its compulsory liquidation (liquidation judiciaire), the bank brought proceedings against the guarantors to enforce their undertakings. The bank then assigned its claim to a securitisation fund.
The decision under appeal (CA Paris, 27 March 2024, No. 22/12070) ordered both guarantors to pay in solidum. Before the Cour de cassation (France's highest civil court), the guarantors advanced a specific point: the information sheet completed at the bank's request covered only assets, income and loans. No section referred to guarantees already given. The guarantors inferred that they could rely on those undeclared earlier undertakings to establish disproportion.
Article L. 341-4 of the French Consumer Code, as applicable to the dispute, deprives the professional creditor of the benefit of a personal guarantee that is manifestly disproportionate to the assets and income of the individual guarantor. Disproportion is assessed at the time the undertaking is entered into. The creditor retains its right if the guarantor's assets, at the time when they are called upon, enable them to meet their obligation. The commercial chamber draws a direct consequence from this (free translation).
It follows that a guarantor is not entitled, in order to demonstrate that their undertaking was, when entered into, manifestly disproportionate to their assets and income, to rely on guarantee undertakings given earlier, by invoking the fact that they were not invited to state their existence in the information sheet drawn up by the bank.
The signed sheets contained no apparent anomaly: the bank was entitled to rely on them. The decision notes that the earlier undertakings had been given to other credit institutions, with separate legal personalities, without it being established that the bank was aware of them. A second ground of appeal did not give rise to a specially reasoned decision, pursuant to Article 1014, paragraph 2, of the French Code of Civil Procedure.
What the information sheet locks in for the guarantor
An information sheet signed without apparent anomaly fixes the financial position that the guarantor will later be able to raise against the professional creditor. The commercial chamber states the rule in general terms, applicable to any personal guarantee granted to a professional creditor.
A guarantor who has completed, at the bank's request, an information sheet relating to their annual income and expenses and to their assets, free of apparent anomalies as regards the information declared, cannot then argue that their financial position was in fact less favourable than the one they declared to the creditor.
For the lender, the practical scope is clear. A dated, signed and consistent financial questionnaire is enough to underpin the proportionality analysis at the date of the undertaking. The professional creditor does not have to reconstruct the guarantor's actual indebtedness or make enquiries of other institutions. In the absence of apparent anomaly, it does not have to verify the accuracy of the information declared, as the court of appeal held.
For the guarantor, the omission comes at a price in the debate on disproportion. The undertakings they did not mention cannot be used to show that the guarantee exceeded their means. The argument based on the incomplete form does not succeed: nothing prevents a guarantor from adding information that the sheet does not call for, starting with their current guarantees.
The burden of proving disproportion still lies with the guarantor
The decision confirms the line of authority on apparent anomalies and expressly extends it to undeclared earlier guarantee undertakings. The solution does not create a new duty of declaration on the guarantor. It draws the evidential consequences of their declaration: a person who has described their position cannot then contradict it in order to escape their guarantee.
What changes lies in the argument that was rejected. The guarantors argued that the form's silence on earlier guarantees neutralised the criticism of omission. The commercial chamber answers that this silence does not make those undertakings available to be relied upon. The court of appeal also noted that the former Article L. 341-4 of the French Consumer Code has become Article L. 332-1 of the same code.
One question remains open. The decision emphasises that the earlier guarantees had been given to other credit institutions, with separate legal personalities, and that the bank's knowledge of those undertakings was not established. The decision does not settle the position of a guarantor who could prove that their creditor did in fact know of those undertakings.
What checks should be made before a guarantee is signed?
A guarantee file is won or lost at the time of signature, around a document that is dated, signed and legible. The decision invites both sides of the table to treat the information sheet as a decisive item in future litigation, rather than as an administrative formality.
- On the professional creditor's side: have a sheet covering income, annual expenses and assets completed and signed, date it, and keep it with the guarantee instrument.
- On the professional creditor's side: read the document again looking for detectable inconsistencies, a figure contradicted by another document in the file amounting to an apparent anomaly.
- On the guarantor's side: state all current undertakings, including those given to other institutions, even where no section refers to them.
- On the guarantor's side: keep a copy of the sheet handed over, the only way of later discussing the content declared.
Disproportion is assessed when the undertaking is entered into, in the light of the guarantor's assets and income. The professional creditor nevertheless retains the benefit of the personal guarantee if the guarantor's assets, at the time when they are called upon, enable them to meet their obligation. Two dates therefore structure the analysis, and evidence must be assembled for each of them.
Points to document in a guarantee file
- Check that every guarantee given by an individual is supported by an information sheet signed and dated on the day of signature.
- Check the internal consistency of the declarations against the other documents provided, since only an apparent anomaly obliges the creditor to make enquiries.
- Archive the guarantee instrument and the financial questionnaire together, so as to reconstruct the position declared at the date of the undertaking.
- Anticipate the second assessment date: the guarantor's assets at the time when they are called upon to pay.
- For the guarantor, declare guarantees already given without waiting to be asked, since an omitted undertaking can no longer be relied upon in support of disproportion.
Frequently Asked Questions
Must a bank check the accuracy of the income and assets declared by a guarantor?
No. In the absence of any apparent anomaly in the information declared, a professional creditor may rely on the information sheet it had the guarantor complete and sign. It does not have to verify the figures or reconstruct the guarantor's actual indebtedness. Conversely, an inconsistency detectable on reading the document amounts to an apparent anomaly and weakens the creditor's position in any later debate on the disproportion of the guarantee.
What is the risk for a guarantor who omits other commitments from the bank's financial questionnaire?
They lose the ability to use them. Under the decision handed down on 17 December 2025 by the commercial chamber, a guarantor who has completed an information sheet free of apparent anomalies cannot then argue that their financial position was in fact less favourable. Earlier undeclared guarantees therefore cannot be invoked to show that the undertaking was manifestly disproportionate to their assets and income when it was entered into.
The bank's sheet has no box for guarantees already signed: is that a useful argument?
No. On 17 December 2025 the commercial chamber held that a guarantor is not entitled to rely on guarantee undertakings given earlier by invoking the fact that they were not invited to state their existence in the sheet drawn up by the bank. An incomplete form does not prevent the guarantor from adding that information, and their silence may be raised against them in the debate on disproportion.
When is the disproportion of a personal guarantee assessed?
Two dates matter. Manifest disproportion is assessed first when the personal guarantee is entered into, in the light of the individual guarantor's assets and income. Even if disproportionate at that date, the undertaking remains enforceable if the guarantor's assets, at the time when they are called upon, enable them to meet their obligation. That rule appears in Article L. 341-4 of the French Consumer Code, in the version applied to the dispute decided on 17 December 2025.
Is a creditor deemed to know about guarantees given to other lenders?
Such knowledge is not presumed merely because other institutions took guarantees. In the case decided on 17 December 2025, the commercial chamber noted that the earlier guarantees had been given to other credit institutions, with separate legal personalities, and that the bank pursuing payment was not shown to have known of them. The position of a guarantor who actually proves such knowledge is not settled by this decision.