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Putting an asset up as security for a debt: the common rules

Last reviewed: September 7, 2026VerifiedPoder Judicial

In short

Real security rights are those constituted to secure performance of an obligation by giving their holder a direct and immediate power over another’s asset and the faculty to promote its sale and collect from the price if the obligation is not performed. They may be constituted by the debtor or by a third person over their own assets, to secure someone else’s obligation. They are accessory to the credit they secure and are not transferred without it, though their holder may renounce them separately. They are indivisible: each encumbered asset, and each part of it, secures payment of the whole credit and of each of its parts, and with several assets the creditor may pursue them all or only one, regardless of who owns them or whether other guarantees exist. The guarantee transfers by operation of law onto whatever replaces the encumbered asset, whether indemnity, price or any other concept allowing real subrogation. The owner may not do any act that diminishes the guarantee’s value, and if the asset deteriorates until it no longer suffices, the creditor may demand that it be improved. And the rule that most protects the debtor: the creditor may not appropriate or dispose of the encumbered asset except by acquiring it through the corresponding execution, and any agreement to the contrary is null and treated as unwritten.

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What is it?

It is Chapter I of Title VII of Book Three of the Civil Code of 2020, Articles 991 to 999. These are the rules common to pledge, mortgage and antichresis: what holds for all three, before getting into each one.

Who can do it?

They may be constituted by the debtor or by a third person over their own assets, to secure someone else’s obligation. They may fall only on things and rights that exist and are specially individualized.

Requirements

Documents you need

Cost

Check the current cost with the official agency.

Step by step

  1. Step 1: What a real guarantee is exactly

    Article 991 defines it by what it lets the creditor do: real security rights are those constituted to secure performance of an obligation by granting their holder a direct and immediate power over another’s asset and the faculty to promote its sale and collect from the price if the obligation is not performed. Note what it says and what it does not: promote the sale and collect from the price, not keep the asset.

  2. Step 2: You can secure someone else’s debt

    Article 992 expressly allows it: real security rights may be constituted by the debtor or by a third person over their own assets, to secure someone else’s obligation. Whoever puts up the asset need not be the one who owes the money.

  3. Step 3: Accessory to the credit, but renounceable separately

    Article 994 sets both sides: real security rights are accessory to the credit they secure, and are not transferable independently of it; however, their holders may renounce them independently of the secured credit. The guarantee cannot be sold on its own, but it can be let go on its own.

  4. Step 4: Indivisible: each part answers for everything

    Article 995 explains what it means: each of the encumbered assets, and each part of them, secures payment of the whole credit and of each of its parts. If the guarantee covers several assets, the creditor may pursue them all together, or only one of them, regardless of who owns it or whether other guarantees exist. The exception is where each asset secures only a determined portion of the credit: the debtor is then entitled to have the guarantee extinguished as they satisfy the part of the debt each asset specially answers for. Divisibility may also be agreed, or ordered by the court at the request of the asset’s owner, provided the creditor is not harmed.

  5. Step 5: If the asset is replaced, the guarantee follows it

    Article 996 calls it real subrogation: the guarantee transfers by operation of law onto whatever assets replace the encumbered ones, whether by indemnity, price or any other concept allowing real subrogation. If the asset is lost and an insurance cheque comes in, the guarantee goes onto that money without anyone having to ask.

  6. Step 6: You cannot let the asset’s value fall

    Article 997 forbids it to the owner: the owner may not do any act that diminishes the guarantee’s value. And it gives the creditor a way out if it happens anyway: if the asset given as security deteriorates or diminishes so as to be insufficient to secure the credit, the creditor is entitled to have the guarantee improved and to ask for the conservation measures the case admits.

  7. Step 7: The creditor does not keep the asset

    Article 998 is the chapter’s strongest protection and is worth quoting in full: a creditor holding a real security right may not appropriate or dispose of the encumbered asset, except by acquiring it through the corresponding execution. Any agreement to the contrary is null and is treated as unwritten. Signing that the creditor keeps the car or the house if you do not pay does not give them that right: the clause is void.

  8. Step 8: Promising a guarantee is not giving one

    Article 999 closes it in one line: the promise to constitute real security rights produces only a personal action between the contracting parties. Until the guarantee is constituted there is no power over the asset: there is, at most, a right to claim against the other party.

Where to do it

These rules apply between the parties and before the Court of First Instance; Article 995 expressly gives the court the faculty to order the guarantee’s divisibility at the request of the asset’s owner. The Civil Code designates no agency to administer them.

How long it takes

Check the current processing time with the official agency.

What to do if something goes wrong

If the asset is movable and delivered to the creditor, the specific figure is the pledge; if it is immovable and stays with the debtor, the mortgage; and if the creditor collects by taking a property’s fruits, antichresis. Each has its own guide. This chapter does not cover the real-property registry legislation, which Article 995 itself makes prevail over its indivisibility rule, nor the execution procedure Article 998 points to: we did not read them. 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

  • Signing that the creditor keeps the asset if you do not pay: that agreement is null and treated as unwritten.
  • Believing that paying half releases half the guarantee: it is indivisible unless each asset answers for a determined portion.
  • Thinking the creditor must pursue every asset: they may go against just one.
  • Giving as security an asset that does not yet exist or is not specially individualized.
  • Selling the guarantee apart from the credit: it is not transferable independently of it.
  • Relying on a promise of a guarantee: it produces only a personal action between the contracting parties.
  • Letting the asset deteriorate: the creditor may demand that the guarantee be improved.

Frequently asked questions

Can the creditor keep my car or my house if I do not pay?

Not outside an execution. Article 998 says the creditor may not appropriate or dispose of the encumbered asset except by acquiring it through the corresponding execution, and that any agreement to the contrary is null and treated as unwritten.

May I put up my own asset to secure someone else’s debt?

Yes. Article 992 allows them to be constituted by the debtor or by a third person over their own assets, to secure someone else’s obligation.

I paid part of the debt — is part of the guarantee released?

As a rule no: the guarantee is indivisible and each asset, and each part of it, answers for the whole credit. Only where each asset secures a determined portion, or where divisibility was agreed, is it extinguished as that part is paid.

The asset was destroyed and I collected the insurance — is the guarantee over?

No. Article 996 transfers the guarantee by operation of law onto whatever assets replace the encumbered ones, whether by indemnity, price or any other concept allowing real subrogation.

Official sources

These are the government pages this guide is based on.

Last verified

September 7, 2026

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