In short
A person who in any way contravenes the tenor of their obligation must indemnify the damages caused. For that breach to be a legally relevant delay, the Code normally requires notice: the person bound to deliver or to do something incurs delay from when the creditor demands performance of them, judicially or extrajudicially. That demand — the interpelación — is not needed in four cases: if the law or the obligation so declares expressly; if the obligation has a certain date for its performance; if the debtor does something forbidden to them but which can be undone; or if from the nature and circumstances of the obligation it follows that the designation of the time when the thing was to be delivered or the service rendered was a determining reason for constituting it. Reciprocal obligations have their own rule: neither obligor incurs delay if the other does not perform or offer to perform what is incumbent on them, and from when one performs or offers to perform, they may require the other, and from then delay begins. And delay is not only the debtor’s: the creditor incurs delay if they unjustifiably refuse to accept the performance the debtor offers, or if they do not allow the debtor to execute it.
What is it?
It is Article 1158, closing the chapter on civil liability, and Articles 1159 to 1162, opening the chapter on the factors attributing liability in the Civil Code of 2020. They fix from when a breach counts as delay and who can be in delay.
Who can do it?
Any creditor who wants to put their debtor in delay, and any debtor whose creditor does not accept or does not allow performance. In reciprocal obligations, only the one who has performed or offered to perform can put the other in delay.
Requirements
- As a rule, demanding performance judicially or extrajudicially: delay begins from that demand.Verified against the official source
- Being in one of the four cases of Article 1160 to dispense with the demand.Verified against the official source
- In reciprocal obligations, having performed or offered to perform what is incumbent on you before requiring the other.Verified against the official source
Documents you need
Cost
Step by step
Step 1: Breaching obliges you to indemnify
Article 1158 says it in a line and without qualification: a person who in any way contravenes the tenor of their obligation must indemnify the damages caused. "In any way" includes performing late, performing partially and performing badly.
Step 2: Delay begins when you demand
Article 1159 sets the general rule: the person bound to deliver or to do something incurs delay from when the creditor demands performance of them, judicially or extrajudicially. Going to court is not required: an out-of-court demand works, which is why it is worth having a record of it.
Step 3: Four cases where no demand is needed
Article 1160 lists them. If the law or the obligation so declares expressly. If the obligation has a certain date for its performance. If the debtor does something forbidden to them but which can be undone. Or if from the nature and circumstances of the obligation it follows that the designation of the time when the thing was to be delivered or the service rendered was a determining reason for constituting it.
Step 4: The certain date is the commonest exception
Subsection (b) is the one most used in practice: if the obligation has a certain date for its performance, delay exists without a demand. A contract with a delivery or payment date already has the clock built in.
Step 5: And the date that was the point of the deal
Subsection (d) covers the order whose whole point was the date: if from the nature and circumstances of the obligation it follows that designating the time was a determining reason for constituting it, no demand is needed. It is the delivery that was only any use that day.
Step 6: If the two of you owe each other
Article 1161 sets the rule for reciprocal obligations: neither obligor incurs delay if the other does not perform or offer to perform what is incumbent on them. And it describes how the deadlock breaks: from when one of the obligors performs or offers to perform their obligation, they may require the other to perform and, from then, delay begins. Offering to perform is enough; full performance is not required.
Step 7: The creditor can be in delay too
Article 1162 recognizes it in two cases: the creditor incurs delay if they unjustifiably refuse to accept the performance the debtor offers, or if they do not allow the debtor to execute the performance. The second is the creditor who will not cooperate where their cooperation is needed.
Where to do it
The demand for performance may be extrajudicial: a letter, a formal request, any claim of which a record remains. The judicial one is filed before the Court of First Instance. The Code names no agency and no counter here.
How long it takes
What to do if something goes wrong
If what you want to know is what is charged for delay on a money debt, that is moratory interest and it is in the guide on indemnity for breach. If the delay came from something nobody could avoid, see the guide on fault, wilful breach and fortuitous event: delay changes who bears the fortuitous event. If the creditor will not receive the payment, besides being in delay themselves, you may consign, and that has its own guide. This guide does not explain the Rules of Civil Procedure behind a judicial claim. The Code publishes no fee and no term for these articles, and Article 1159 fixes a starting point, not a period. MiPRFácil does not represent anyone in court and gives no legal advice.
Common mistakes
- Assuming the delay starts on its own: as a rule performance must be demanded.
- Believing the demand must be judicial: Article 1159 admits the extrajudicial one.
- Demanding verbally and keeping no record of when the demand was made.
- Ignoring that a certain date in the obligation makes the demand unnecessary.
- Overlooking subsection (c): doing something forbidden that can be undone also constitutes delay.
- In a reciprocal obligation, demanding from the other without having performed or offered to perform your own part.
- Assuming you must have fully performed to require the other: offering to perform is enough.
- Forgetting that a creditor who unjustifiably refuses the performance, or will not let it be executed, incurs delay themselves.
Frequently asked questions
From when is the person who owes me in delay?
From when you demand performance, judicially or extrajudicially. Unless one of the four cases of Article 1160 applies, among them that the obligation has a certain date for its performance.
The contract had a date — must I still demand?
No. Subsection (b) of Article 1160 says the demand is not necessary if the obligation has a certain date for its performance.
We each owe the other something — who is in delay?
Neither, while neither performs nor offers to perform. From when one performs or offers to perform their obligation, they may require the other, and from then the other’s delay begins.
Can the creditor be in delay?
Yes. Under Article 1162 they incur delay if they unjustifiably refuse to accept the performance the debtor offers, or if they do not allow the debtor to execute it.
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 8, 2026
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What an obligation is and where it comes from
Six sources, and the list stays open. Whoever performs knowing they were not bound cannot demand it back.
Carelessness, bad faith or bad luck: who answers for what
With no agreed standard, that of a prudent and reasonable person applies. Waiving the action for wilful breach is void.
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.
No one has to accept part payment or a different thing
The obligation is extinguished when what is owed is delivered in full. The creditor cannot be compelled to take part, or something else.
The creditor will not take payment: releasing yourself by consignment
Four cases open consignment. If the court finds it well made after an unreasonable refusal, it sanctions the creditor up to 5%.
No date and no place agreed: when and where performance is due
With no term, payment is due at once unless the deal implies a tacit one. With no place, the municipality where the debtor resides.