In short
Three short articles decide who may stand surety and how it must be recorded. Article 1480 sets two requirements in a single sentence: any person with capacity to consent, who has sufficient property or solvency to satisfy the guaranteed obligation, may be a surety. Willingness is not enough: capacity is required, and backing is required. What the article does not say is who checks that backing, at what moment it is measured, or what happens to a suretyship signed by someone lacking it; this guide points that out and does not fill it in. Article 1481 closes in one line a door many assume is open: the surety cannot excuse its liability on the principal debtor’s incapacity. If you stood surety for someone who could not bind themselves, that incapacity does not get you out. And Article 1482 sets the form, also in one line: a suretyship not agreed in writing is null. There is no verbal suretyship under this chapter. That article reads best alongside the one opening the chapter, under which no undertaking not expressly agreed as suretyship is one, and neither is a letter of recommendation: between them they explain why a spoken promise to answer for someone creates no suretyship. The Code demands writing, but does not demand a public deed and names no form, fee or registry, and this guide adds none.
What is it?
They are Articles 1480, 1481 and 1482 of the Civil Code of 2020: who meets the conditions to be a surety, why the debtor’s incapacity does not free the surety, and why the suretyship must be in writing.
Who can do it?
Whoever is about to commit as a surety and the creditor accepting them, under a suretyship contract governed by the Puerto Rico Civil Code. This is not criminal bail.
Requirements
- Capacity to consent.Verified against the official source
- Sufficient property or solvency to satisfy the guaranteed obligation.Verified against the official source
- That the suretyship be agreed in writing: one that is not is null.Verified against the official source
- The surety cannot excuse its liability on the principal debtor’s incapacity.Verified against the official source
Documents you need
Cost
Step by step
Step 1: First requirement: capacity to consent
Article 1480: any person with capacity to consent may be a surety. It is the same requirement the Code asks to bind oneself generally.
Step 2: Second: sufficient property or solvency
The same article joins it to the first: who has sufficient property or solvency to satisfy the guaranteed obligation. The measure is the obligation being guaranteed, not a fixed amount.
Step 3: Who checks that: the article does not say
It does not name who must verify it, at what moment it is measured, or what happens to a suretyship signed by someone without the backing. Nor does it say what happens if the surety becomes insolvent later. This guide points at the gap and does not fill it.
Step 4: The debtor’s incapacity does not save you
Article 1481, a single line: the surety cannot excuse its liability on the principal debtor’s incapacity. It is one of this chapter’s most surprising rules for someone who signs thinking that, if the debtor could not bind themselves, the suretyship falls with them.
Step 5: In writing, or it does not hold
Article 1482: a suretyship not agreed in writing is null. The Code itself declares the nullity; it is not an evidentiary requirement but one of validity.
Step 6: Writing, yes; a public deed, it does not require
The article asks that it be agreed in writing and stops there: it mentions no notary, public deed, form, fee or registry. This guide adds none of those requirements.
Step 7: Why a spoken promise is no suretyship
This article reads together with the one opening the chapter: there the Code says no undertaking not expressly agreed as such is a suretyship, nor is a letter of recommendation assuring a person’s probity and solvency. Between the writing requirement and the express-agreement one, saying out loud "I will answer for him" creates no suretyship under this chapter.
Step 8: What these articles do not carry
They do not say how much property is sufficient, do not describe how solvency is evidenced, fix no fee or concrete form, and do not say whether a surety who becomes insolvent must be replaced. None of that is here.
Where to do it
The suretyship is agreed between surety and creditor, in writing; the Code names no agency for this chapter and requires no registration. Disputes over the suretyship’s validity or the surety’s solvency are decided by the Court of First Instance.
How long it takes
What to do if something goes wrong
If your case is the bail a court sets in a criminal proceeding, or a construction payment bond, those are other subjects with their own guides on this site. If what you want is how far your cover reaches or whether you can get out, see the guides on the general provisions and on duration. If the question is whether the creditor can come straight at you, that is the beneficio de excusión, with its own guide. These three articles do not say how much property suffices, do not describe how solvency is evidenced, and do not require a public deed. MiPRFácil does not represent anyone in court and gives no legal advice.
Common mistakes
- Accepting a verbal suretyship: Article 1482 declares it null if not agreed in writing.
- Believing that if the debtor was incapable the suretyship falls: Article 1481 says the opposite.
- Standing surety without sufficient property or solvency to satisfy the guaranteed obligation.
- Measuring solvency against a fixed amount: the article measures it against the obligation guaranteed.
- Accepting as surety someone without capacity to consent.
- Assuming a public deed is needed: the article asks for writing and mentions no notary.
- Confusing a letter of recommendation with a suretyship.
- Signing a vague undertaking hoping it counts as suretyship: it must be expressly agreed as such.
Frequently asked questions
Is a suretyship we only agreed verbally valid?
No. Article 1482 says a suretyship not agreed in writing is null.
What is needed to be able to stand surety?
Article 1480 asks two things: capacity to consent, and sufficient property or solvency to satisfy the guaranteed obligation.
The debtor could not bind themselves. Does that free me?
No. Article 1481 says the surety cannot excuse its liability on the principal debtor’s incapacity.
Must I go to a notary to sign as surety?
Article 1482 requires the suretyship to be agreed in writing and mentions no notary or public deed. This guide adds no requirements the article does not carry.
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
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Standing surety: never more than the debtor, but costs are included
Article 1475 bars the surety from owing more than the debtor, and 1474 folds accessories, costs and fees into the suretyship.
Getting out of a suretyship: retract by notice, but only going forward
Article 1478 lets an indeterminate-time suretyship be retracted at any moment; from the notice it stops covering new obligations.
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.
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.
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 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.