In short
The Civil Code of 2020 devotes a whole three-article chapter to what happens before signing and to what happens after performing. Article 1271 says the dealings prior to the perfection of the contract must be conducted according to loyalty and good faith between the probable contracting parties, and specially requires four duties: to collaborate in the formation of the contract, to obtain and provide information on relevant circumstances of fact and law, to maintain the confidentiality of the information received, and to preserve the thing that will be the object of the future contract. Article 1272 names six behaviours that violate those duties: breaking off the negotiations suddenly, inopportunely or arbitrarily; not respecting the partial agreements already reached; starting or continuing negotiations without seriousness; incurring in dolo or violence; revoking a binding offer or, suddenly, a non-binding one; and causing the nullity of a contract. What is compensated are the expenses made to celebrate the contract and the harm suffered from having relied on the valid celebration of the contract, and also the expenses of an acceptor who is unaware, without fault, of the offeror’s supervening death or incapacity or of their retraction. Article 1273 closes from the other end: whoever frustrates the advantage granted in the contract or violates the duty of confidentiality must compensate the harm caused, and that liability covers the acts performed from the moment the principal performance is satisfied until the prescription period of every enforceable obligation expires. What the chapter does not say, and neither does this guide: that breaking off negotiations is always wrongful, nor how much money is owed.
What is it?
It is Chapter VIII of Title I of Book Five of the Civil Code of 2020, Articles 1271 to 1273. It sets the duties of conduct of those still negotiating, the behaviours that breach them, what must be compensated, and the duties that survive after the contract is performed.
Who can do it?
Anyone who was in pre-contract dealings in Puerto Rico, whether or not a contract was ever signed; and, for Article 1273, anyone who has already performed a contract’s principal performance.
Requirements
- That there were dealings prior to the perfection of a contract between probable contracting parties: that is the ground Article 1271 covers.Verified against the official source
- That the conduct complained of breaches the duties of loyalty and good faith; Article 1272 names six behaviours that specially breach them.Verified against the official source
- That there be expenses made to celebrate the contract or harm suffered from having relied on its valid celebration: that is what the article orders compensated.Verified against the official source
- For Article 1273, that the contract’s principal performance has already been satisfied and that the granted advantage is frustrated or confidentiality is breached.Verified against the official source
Documents you need
Cost
Step by step
Step 1: The underlying rule: loyalty and good faith before signing
Article 1271 says it plainly: the dealings prior to the perfection of the contract must be conducted in accordance with loyalty and good faith between the probable contracting parties. Nothing need have been signed for that duty to exist.
Step 2: The four duties the article specially requires
To collaborate in the formation of the contract; to obtain and provide information on relevant circumstances of fact and law; to maintain the confidentiality of the information received; and to preserve the thing that will be the object of the future contract. All four come from the text of Article 1271.
Step 3: The six behaviours the Code points to
Article 1272 says the following constitute a violation, "especially": (a) breaking off the negotiations suddenly, inopportunely or arbitrarily; (b) not respecting the partial agreements already reached; (c) starting or continuing negotiations without seriousness; (d) incurring in dolo or violence; (e) revoking a binding offer or, suddenly, a non-binding offer; and (f) causing the nullity of a contract. The word "especially" is the article’s: the list emphasises, it does not close.
Step 4: Breaking off negotiations is not, by itself, wrongful
Behaviour (a) carries three adjectives that do all the work: suddenly, inopportunely or arbitrarily. The article does not say that negotiating and then not signing is always a violation, and neither does this guide.
Step 5: What is compensated
Two things, in Article 1272’s words: the expenses made to celebrate the contract and the harm suffered from having relied on the valid celebration of the contract. The article fixes no amount, formula or cap, and this guide invents none.
Step 6: The acceptor who could not have known
The same article extends compensation to two further situations: the expenses made by an acceptor who is unaware, without fault, of the offeror’s supervening death or incapacity, and those of one who, on accepting, is unaware without fault of the offeror’s retraction.
Step 7: After performing the contract there are still duties
Article 1273 is the reverse side: the person who frustrates the advantage granted in the contract or breaches the duty of confidentiality must compensate the harm caused. This is post-contractual liability, and it exists even though the contract has already been performed.
Step 8: How long that liability lasts
Article 1273 itself bounds it: it includes the acts performed from the moment the contract’s principal performance is satisfied until the prescription period of every enforceable obligation expires. Which period that is in your case lives in the title on prescription, which this chapter does not restate.
Where to do it
There is no counter or agency for this: the Code names none. A claim for pre- or post-contractual liability is filed in the Court of First Instance, under the Rules of Civil Procedure, which we did not read for this guide.
How long it takes
What to do if something goes wrong
If the contract was in fact signed and the problem is that the other side is not performing, this chapter is not yours: see the guides on breach and on extrajudicial rescission. If there was an offer already accepted, the perfection of the contract is decided by the chapter on consent, which has its own guide. This chapter fixes no amount of money, gives no prescription period of its own, and does not say you may force the other side to sign. MiPRFácil does not represent anyone in court and gives no legal advice.
Common mistakes
- Believing there is no duty before signing: Article 1271 requires loyalty and good faith in the dealings.
- Believing the opposite, that breaking off negotiations always costs: behaviour (a) requires it to be sudden, inopportune or arbitrary.
- Ignoring the partial agreements already reached because "there is no contract yet".
- Using or disclosing the information received in the negotiations: confidentiality is one of the four duties.
- Letting the thing that will be the object of the future contract deteriorate: preserving it is also a duty under Article 1271.
- Claiming the profit the contract would have produced: what the article orders compensated are the expenses and the reliance harm.
- Throwing away the receipts for expenses made to celebrate the contract.
- Thinking the duties end once the contract is performed: Article 1273 extends them until the prescription period expires.
Frequently asked questions
We negotiated for months and they backed out abruptly. Can I claim?
Article 1272(a) names as a violation breaking off the negotiations suddenly, inopportunely or arbitrarily. Where that is so, what is compensated are the expenses made to celebrate the contract and the harm of having relied on its valid celebration. The article fixes no amount.
Can I force them to sign the contract?
This chapter does not say so. Article 1272 speaks of compensating expenses and harm, not of compelling anyone to contract, and this guide adds no remedy the Code does not put there.
I gave them confidential information and they used it. What about that?
Maintaining the confidentiality of the information received is one of Article 1271’s duties, and Article 1273 orders compensation of the harm by whoever breaches the duty of confidentiality, even after the contract has been performed.
The offeror died and I had already spent money accepting. Is it lost?
Article 1272 orders the same compensation for the expenses made by an acceptor who is unaware, without fault, of the offeror’s supervening death or incapacity.
Official sources
These are the government pages this guide is based on.
- Poder Judicial de Puerto Rico
Poder Judicial
bvirtualogp.pr.gov
Last verified
September 9, 2026
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From when there is a deal: the offer, the acceptance and the exact moment
Consent exists when the offeror receives the acceptance. And replying with changes is not accepting: it is a new offer.
What you sign has the force of law: the limits of freedom to contract
You may contract or not, and with whom you like, but not abusively. And what the contract omits is filled by law, usage and good faith.
What is claimed when someone breaches: loss suffered and gain not made
A good-faith debtor answers for what was foreseeable at contracting; one who breaches wilfully, for everything. On money debts, interest.
Which deals must be put in a document, and the one the law forbids
Five cases must appear in a public or private instrument for evidentiary purposes. And a contract on a future inheritance is forbidden.
When the deal ended up lopsided: annulling it or readjusting it
If the advantage exceeds half the promised value, taking advantage is presumed. And if an unforeseeable event made it excessive, there are six months.
Prescription: how long they can collect from you or sue you
Personal actions prescribe in 4 years and damages in 1 year from learning who caused them. Acknowledging the debt restarts the clock.