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Having first claim to buy something: option, tanteo and retracto

Last reviewed: September 7, 2026VerifiedPoder Judicial

In short

Preferential acquisition rights are limited rights that empower their holder to obtain the transfer of a thing or right from its owner or holder, by paying its price and meeting the other requirements set in the juridical act or the law. There are three: the option to purchase, tanteo and retracto. They may be created by acts between the living, for value or gratuitously, or on account of death, or by assignment, reservation or division; and tanteo and retracto may additionally be established by law. What decides how much they are worth is in Article 1024: they may be real or personal in nature, and they are real only when constituted as such in a public instrument and recorded in the corresponding registry, or where the law recognizes them as real; enforceability against third parties of voluntary ones comes about through registry recording. They may fall on immovables and on movables capable of identification, and also on future assets, though rights over future assets are personal unless conditioned on the assets’ actual existence. Exercising a real one means acquiring the thing in the same conditions it was in when the right was constituted, and extinguishes incompatible rights constituted afterwards. On exercising it, the requirements must be met and the current owner reliably notified. And if the right belongs to several in common, it cannot be exercised unless they all do so together or one or several by assignment from the rest.

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What is it?

It is Chapter I of Title VIII of Book Three of the Civil Code of 2020, Articles 1022 to 1028. These are the rules common to the option to purchase, tanteo and retracto: what holds for all three before getting into each one.

Who can do it?

They may fall on immovables and on movables capable of identification, future assets included. Rights over future assets are personal, unless conditioned on the assets’ actual existence.

Requirements

Documents you need

Cost

Check the current cost with the official agency.

Step by step

  1. Step 1: What they are and which they are

    Article 1022 defines them as limited rights that empower their holder to obtain the transfer of a thing or right from its owner or holder, by paying its price and meeting the other requirements set in the juridical act or the law. And it names the three that make up the category: the option to purchase, tanteo and retracto.

  2. Step 2: Where they can come from

    Article 1023 opens several doors: they may be created by acts between the living, for value or gratuitously, or on account of death, or by assignment, reservation or division. Creation may be by a juridical act aimed at attributing the right, or by an express and independent agreement or stipulation built into another juridical act. And it adds a route that depends on nobody: tanteo and retracto may also be established by law.

  3. Step 3: The article that decides how much they are worth

    Article 1024 is the one to read before signing anything. Preferential acquisition rights may be real or personal in nature. They are real only when constituted as such in a public instrument and recorded in the corresponding registry, under the applicable legislation, or where the law recognizes them as such. And enforceability against third parties of voluntary preferential rights comes about through registry recording. A preference clause in a private contract binds whoever signed it; it does not stop a third party from buying.

  4. Step 4: What they can fall on, future assets included

    Article 1025 admits them over immovables and over movables capable of identification, and also over future assets. But it sets a condition on the latter: rights over future assets are personal, unless conditioned on the assets’ actual existence.

  5. Step 5: What happens when a real one is exercised

    Article 1026 spells it out. Exercise means acquiring the thing in the same conditions it was in at the moment the right was constituted, and results in the extinction of incompatible rights constituted over it afterwards, without prejudice to the real-property registry legislation. The price remains entirely at the disposal of the holder of the ownership right over the thing or, where applicable, of the holders of rights constituted after the preferential acquisition right.

  6. Step 6: If the owner refuses to formalize

    The same Article 1026 gives the remedy: the holder of the preferential acquisition right may judicially require the thing’s current owner, should they refuse to formalize the transfer, and the claim may be annotated in the corresponding registry. That annotation is what warns the world the thing is disputed.

  7. Step 7: How it is exercised, and what if there are several holders

    Article 1027 imposes two things on exercise: meeting beforehand or simultaneously the requirements stipulated or set by law, and reliably notifying the thing’s current owner of the effective exercise of the right. And Article 1028 closes the chapter: a preferential acquisition right belonging to several holders in common cannot be exercised unless they all do so together or one or several of them by assignment from the rest.

Where to do it

Before a notary for the public instrument, and before the corresponding registry for the recording, which is what makes the right real and enforceable against third parties. The judicial requirement for refusal to formalize the transfer goes before the Court of First Instance, and the claim may be annotated in the registry.

How long it takes

Check the current processing time with the official agency.

What to do if something goes wrong

This guide covers only the common rules. Chapters II to VI of this same title, Articles 1029 to 1058, regulate the option, tanteo and retracto one by one, with their own terms and effects, and we did not read them for this guide: you will not find here how long an option lasts or in what period a retracto is exercised. Nor do we explain the real-property registry legislation, which Articles 1024 and 1026 make decisive for whether these rights bind third parties. If what you have is an option to purchase inside a lease, we have a separate guide on that arrangement. The Code publishes no cost and no term, so this guide gives none. MiPRFácil does not represent anyone in court and gives no legal advice.

Common mistakes

  • Believing a preference clause in a private document stops a third party from buying: without a public instrument and recording it is not real.
  • Confusing option, tanteo and retracto: they are three distinct figures within the same category.
  • Agreeing preference over a future asset without conditioning it on that asset’s actual existence: the right is then personal.
  • Exercising the right without reliably notifying the thing’s current owner.
  • Exercising it without first or simultaneously meeting the stipulated or legal requirements.
  • One holder exercising it alone where the right belongs to several in common, without assignment from the rest.
  • Assuming the holder keeps the price: it remains at the disposal of the thing’s owner.

Frequently asked questions

Is a preference clause in a private contract any good?

It binds whoever signed it, but it is not a real right. Article 1024 says they are real only when constituted as such in a public instrument and recorded in the corresponding registry, or where the law recognizes them as such, and that enforceability against third parties of voluntary ones comes about through registry recording.

Which rights are these?

Three: the option to purchase, tanteo and retracto. This guide covers the rules common to all three; each also has its own chapter in the Code, which we did not read here.

The owner will not formalize the sale — what do I do?

Article 1026 lets you judicially require them, and the claim may be annotated in the corresponding registry.

Several of us hold the same right — may I exercise it alone?

No, unless the others assign theirs to you. Article 1028 requires that they all exercise it together, or one or several of them by assignment from the rest.

Official sources

These are the government pages this guide is based on.

Last verified

September 7, 2026

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