In short
This is suretyship as a civil contract, not the bail a court sets in a criminal case. Article 1472 defines it: by the contract of suretyship, the surety expressly undertakes to pay or perform for the principal debtor if the latter does not; and it adds that it may also be constituted in favour of another surety. The word "expressly" is not decoration, and Article 1473 develops it: a letter of recommendation assuring a person’s probity and solvency does not constitute suretyship, nor is any undertaking that is not expressly agreed as suretyship. Recommending someone is not answering for them. Article 1474 says how far the surety’s cover reaches: the suretyship includes the accessories of the principal obligation and the reasonable expenses of collecting it, including costs and fees. That is the provision that tends to surprise whoever signed thinking only of the principal. Article 1475 sets the ceiling from the other side: the surety’s obligation may not be greater than, nor subject to more onerous stipulations than, that of the principal debtor; and the consequence of breaching that rule is written down: it implies the reduction of the suretyship, not its nullity. That is, an excessive suretyship does not fall, it is trimmed. Article 1476 says what may be guaranteed: present obligations, whether pure, conditional or subject to a term; and also future ones, but these cannot be claimed against the surety until the debt is liquid and demandable. And Article 1477 closes with a concrete requirement: suretyship may be general, in which case a maximum amount must be specified.
What is it?
They are Articles 1472 to 1477 of the Civil Code of 2020: what suretyship is as a contract, what it is not, how far it reaches, what its limit is and which obligations may be guaranteed.
Who can do it?
Whoever undertakes to pay or perform for another under a suretyship contract governed by the Puerto Rico Civil Code, and the creditor in whose favour it is constituted.
Requirements
- The surety must expressly undertake to pay or perform for the principal debtor if the latter does not.Verified against the official source
- The suretyship includes the accessories of the principal obligation and the reasonable expenses of collecting it, including costs and fees.Verified against the official source
- The surety’s obligation may not be greater than, nor subject to more onerous stipulations than, the debtor’s; the excess reduces the suretyship, it does not void it.Verified against the official source
- If the suretyship is general, a maximum amount must be specified.Verified against the official source
Documents you need
Cost
Step by step
Step 1: What it is, in one line
Article 1472: the surety expressly undertakes to pay or perform for the principal debtor if the latter does not. Two verbs — pay or perform — and one condition: that the debtor does not.
Step 2: And it is not criminal bail
Worth saying up front because the word covers two different things: this chapter regulates the civil contract of suretyship. The bail a court sets in a criminal case is another subject, with its own guide on this site.
Step 3: A surety may also be guaranteed
Second paragraph of 1472: suretyship may also be constituted in favour of another surety. A suretyship over a suretyship fits in the Code.
Step 4: Recommending someone is not answering for them
Article 1473: a letter of recommendation assuring a person’s probity and solvency does not constitute suretyship. Vouching that someone is honest and solvent does not make you their surety.
Step 5: And without saying it expressly, neither
The same article closes: nor is any undertaking that is not expressly agreed as suretyship. Suretyship is not inferred from context or from a vague promise: it must be agreed as such.
Step 6: How far your cover reaches
Article 1474: the suretyship includes the accessories of the principal obligation and the reasonable expenses of collecting it, including costs and fees. Whoever signs thinking only of the principal should read this line twice.
Step 7: But never more than the debtor
Article 1475: the surety’s obligation may not be greater than, nor subject to more onerous stipulations than, the debtor’s. Two limits: neither a larger amount, nor worse conditions.
Step 8: And if it goes over, it is trimmed
The same article writes the consequence: non-observance of this rule implies the reduction of the suretyship, not its nullity. An excessive suretyship does not vanish; it is cut back to the limit.
Step 9: Which obligations may be guaranteed
Article 1476: present obligations, whether pure, conditional or subject to a term. All three modes fit.
Step 10: And future ones, with one condition
The same article: it may also cover future obligations, but they cannot be claimed against the surety until the debt is liquid and demandable. Two requirements, and both are needed.
Step 11: A general suretyship carries a written cap
Article 1477: suretyship may be general, in which case a maximum amount must be specified. The Code requires the cap but does not say what happens to a general suretyship that omits one, and this guide does not fill that in.
Step 12: What this guide does not cover of the chapter
The chapter continues with the duration of the suretyship, who may be a surety, the form, the beneficio de excusión and the effects between surety and creditor, between surety and principal debtor, between co-sureties, and the extinction. None of that is in this guide.
Where to do it
The contract runs between surety and creditor; the Code names no agency for this chapter. Claims against the surety and the reduction Article 1475 orders belong to the Court of First Instance. Criminal bail is a different subject with its own judicial procedure.
How long it takes
What to do if something goes wrong
If what you are after is the bail a court sets in a criminal case, that is another subject with its own guide on this site; likewise payment bonds in construction. If what you want to know is whether the creditor must go against the debtor first, that is the beneficio de excusión and it is in another section of the chapter, not in this guide. These articles fix no amounts, do not define which accessories the principal obligation carries, do not say who measures whether the collection expenses were reasonable, and do not say what happens to a general suretyship with no maximum amount. MiPRFácil does not represent anyone in court and gives no legal advice.
Common mistakes
- Signing as surety thinking only the principal is covered: the suretyship includes accessories, costs and fees.
- Believing a letter of recommendation makes you a surety: Article 1473 says it does not.
- Assuming a suretyship that was not expressly agreed as such.
- Accepting a suretyship with more onerous conditions than the debtor’s.
- Thinking an excessive suretyship is void: the Code reduces it, it does not void it.
- Claiming a future obligation against the surety before the debt is liquid and demandable.
- Signing a general suretyship without specifying the maximum amount Article 1477 requires.
- Confusing this contractual suretyship with criminal bail or with a construction payment bond.
Frequently asked questions
I stood surety. Can I end up owing more than the debtor?
Article 1475 says the surety’s obligation may not be greater than, nor subject to more onerous stipulations than, the debtor’s, and that the excess implies the reduction of the suretyship, not its nullity.
Does the suretyship also cover costs and fees?
Yes. Article 1474 says the suretyship includes the accessories of the principal obligation and the reasonable expenses of collecting it, including costs and fees.
I wrote a letter recommending someone. Am I their surety?
No. Article 1473 says a letter of recommendation assuring a person’s probity and solvency does not constitute suretyship, nor does any undertaking not expressly agreed as suretyship.
Can a debt that does not yet exist be guaranteed?
Article 1476 allows guaranteeing future obligations, but they cannot be claimed against the surety until the debt is liquid and demandable.
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 10, 2026
MiPRFácil is an independent informational website and is not affiliated with, endorsed by, or operated by the Government of Puerto Rico or any government agency.
MiPRFácil does not submit applications on your behalf.
Was this guide helpful?
Did you find out-of-date information?
Several debtors: when each pays a share and when one is charged the lot
Solidarity is not presumed: the obligation or the law must say so. Without it, the debt is presumed divided into equal parts.
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.
Putting an asset up as security for a debt: the common rules
The creditor may not keep the asset outside an execution, and any agreement saying otherwise is null and treated as unwritten.
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.
Money debts: what they are paid in and when interest runs
The Code requires payment in the specie agreed and, failing that, in legal tender. It says "legal interest", and Article 1169 says which.
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.