
A craftsman sends a quote by email, the client replies “good for agreement” from their phone, and the project never starts. The client disputes it, the craftsman demands payment. This type of dispute is based on a short but formidable text: Article 1113 of the Civil Code, which establishes the principle that a contract is formed by the meeting of an offer and an acceptance.
Offer accepted by email or SMS: electronic proof is sufficient
It is often assumed that a contract requires a formal document, a proper signature, a stamp. Article 1113 states otherwise: the contract arises as soon as the offer meets an acceptance, regardless of the medium.
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For several years, doctrine and case law have confirmed that an acceptance sent by email, SMS, or through an online platform has the same contractual value as a handwritten signature, provided that the intention to commit is clear. This is what practitioners refer to as the “normalization” of electronic proof.
In practical terms, when trying to understand Article 1113 of the Civil Code, one realizes that form matters less than substance. An “OK that’s good for me” sent via messaging can bind as much as a signed document in the office.
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This reality changes the game for freelancers and small businesses. A quote annotated “good for agreement,” even in digital form, is sufficient to form a contract in the sense of Article 1113. The signed or annotated quote binds both parties, including a sole trader who thought they could remain informal.

Real estate purchase offer and Article 1113: the trap of withdrawal
The real estate sector illustrates the concrete consequences of this text well. An offer to purchase is sent by mail or email to the seller, who accepts, and one thinks that the compromise remains to be signed before being committed.
Based on Article 1113, an offer to purchase accepted by the seller can constitute a genuine contractual commitment, regardless of the subsequent signing of a compromise. Professionals in rental investment recommend not to multiply offers without reflection, precisely because of this mechanism.
The risk for the imprudent buyer is real: a withdrawal after acceptance of the offer can be deemed abusive and open the door to litigation. The legal withdrawal periods (notably the one provided for real estate sales) only protect under certain conditions, and not in all scenarios.
What the meeting of offer and acceptance implies in real estate
- The offer must be sufficiently precise (price, clearly identified property, any conditions) so that its acceptance forms the contract without further negotiation.
- The silence of the recipient does not constitute acceptance, except in very specific cases governed by law or professional practices.
- An offer with a deadline becomes void if the recipient does not respond within the allotted time, which protects the offeror (the one making the offer).
Offer, deadline, and withdrawal: the mechanisms that Article 1113 sets in motion
Article 1113 does not operate in isolation. It opens the door to the following articles of the Civil Code, which detail the rules on the offer, its expiration, and the possibility of withdrawal. Understanding this text requires grasping how these mechanisms interconnect.
The offeror can withdraw as long as the acceptance has not reached them, but this withdrawal has limits. If the offer is accompanied by a deadline, withdrawing it before the expiration of this deadline exposes one to damages. The Civil Code here protects the legitimate trust of the offer’s recipient.
Silence, on the other hand, does not constitute acceptance under French law. This is a principle often misunderstood. Failing to respond to a business proposal does not create any contractual obligation, except in exceptional cases (previous business relationships, industry practices).
Real intention and appearance of consent
Article 1113 requires a meeting of wills, not a mere appearance of agreement. In practice, judges verify that each party has expressed a free and informed intention. A click on “I accept the general terms” without real access to the content can, under certain circumstances, be contested.
Responses on this point vary by jurisdiction, but the trend is clear: the more the medium is dematerialized, the more the proof of pre-contractual information (access to terms, readability of the quote) matters in establishing the validity of the acceptance.

Article 1113 of the Civil Code applied to everyday contracts
Beyond real estate or construction contracts, Article 1113 structures the formation of all civil and commercial contracts. Sale between individuals, service provision, agreements between partners: the scheme remains the same.
- A seller on an online platform who confirms the order forms a contract as soon as the acceptance occurs, even without a paper order form.
- A freelancer who receives a “go” by message for a mission is bound, and so is their client, in the sense of Article 1113.
- A verbal agreement between neighbors for the sale of a movable good can suffice to create an obligation, provided that the terms of the offer and acceptance can be proven.
The difficulty is never the principle, but the proof. Article 1113 sets the framework for contract formation. It remains to demonstrate that the offer was precise, that the acceptance was unconditional, and that each party’s intention was genuine. For everyday transactions, keeping a written record (even a simple exchange of messages) remains the most protective reflex.