Whoever signs a preventive power of attorney before a Spanish notary settles a question of proof that later becomes very expensive. The notarial deed records the notary’s assessment of the principal’s capacity at that moment, and anyone who later wants to annul the power by claiming the signatory did not understand what he was doing will have to prove it himself, with medical reports from that date and against a public document. The burden of proving lack of capacity falls on the person who challenges the deed. That is why the time to grant the power is when nobody disputes the lucidity of the person signing, and not when there is an advanced diagnosis and a family already at odds.
There is a second burden of proof, and that one weighs on the agent. Article 257 of the Spanish Civil Code allows a power that only takes effect when the principal needs support, and the same article provides that this situation is proven in whatever way the principal set out in the deed, and if necessary by means of a notarial act incorporating the notary’s assessment and an expert report. The person who has to show the bank, the care home or the Social Security office that the power is now active is the son or daughter appointed as agent. If the deed does not say how it is proven, that child will run into counters asking for a document nobody defined. Both burdens are settled in the same place, in the drafting of the power, which is why this article deals with what the principal has to decide and not only with what the instrument is.
What a preventive power of attorney is and why an ordinary power is no use
An ordinary power of attorney, the one signed so that someone can sell a flat or manage a few accounts, assumes that the principal is still supervising what the agent does and can revoke it whenever he wishes. The Civil Code starts from that idea, and that is why article 1732.5 provides that a mandate ends when a representative curatorship is constituted over the principal. Precisely when the power would be most needed, it ceases to be valid. The same article exempts preventive mandates from that rule, and those are the ones regulated in articles 256 to 260 of the Civil Code in the wording given to them by Law 8/2021 of 2 June, in force since 3 September 2021.
A preventive power of attorney is a notarial power designed to keep working, or to start working, when the person granting it can no longer take decisions for himself, whether because of Alzheimer’s, a stroke, an accident or any other cause. Since Law 8/2021 there is no longer any judicial declaration of incapacity or guardianship of adults in Spain. What exists are support measures, and the preventive power is the main one a person can design for himself, before needing it, choosing who will act and within what limits.
The two types, and a table so they are not confused
The Civil Code distinguishes two instruments which in practice are combined in a single deed.
The first is the general power with a continuation clause under article 256. An ordinary power is granted, which the agent can use from the next day, and a provision is added that it will remain in force if the principal needs support in the future. It is the formula that suits someone who already wants a child to deal with the bank or manage a rental and does not want that management to stop on the day he can no longer supervise it.
The second is the preventive power in the strict sense under article 257. It only produces effects in the event that the principal needs support. Until then nobody can use it. It is the formula for someone who is perfectly well, does not want to hand anything over today, and wants tomorrow settled.
| Instrument | When the agent or curator acts | What happens if the principal can no longer decide | Civil Code article |
|---|---|---|---|
| Ordinary general power of attorney | From signing | Ends when a representative curatorship is constituted | 1732.5 |
| General power with continuation clause | From signing | Remains in force without interruption | 256 |
| Preventive power in the strict sense | Only once the need for support is proven | Begins to operate at that moment | 257 |
| Judicial curatorship | When the court constitutes it | Covers what the principal did not provide for, and the power survives | 258 and 259 |
The difference between the ordinary power and the two preventive ones lies in when they start to operate and in what happens when a curatorship arrives. The powers granted can be identical in all three.
Without a preventive power, a judge takes the decision
When a person loses the ability to decide and left nothing in place, the family has to go to court so that a support measure is constituted. The judge hears the person, the relatives and the forensic doctor, and decides what support is needed and who will provide it. The curator may be a child the parent would not have chosen, or an institution, if the children cannot agree. While the proceedings are pending, and I am talking about months, nothing can be sold, nothing can be signed with the care home, and the bank freezes whatever lacks an authorised signature. Once appointed, the curator renders accounts to the court and needs judicial authorisation to sell property and for other significant acts.
Law 8/2021 gives preference to whatever the person has arranged for himself. With a well-drafted preventive power the judge does not intervene, or intervenes only for what the power does not cover. It is the difference between a deed signed one morning and court proceedings with lawyer, court agent and experts opened at the family’s worst moment. At the firm we draft tailored preventive powers and assist the family when the time comes to activate or defend them, within our civil law practice.
What powers it can include and what stays outside
On the financial side, the power can cover the management of accounts and deposits, collection of pensions, the sale, letting or mortgaging of property, taxes, insurance, acceptance of inheritances and the running of a business or shareholding. Anyone who owns a business and is thinking of retiring does well to read this power alongside what I explain in closing your business at retirement without dragging in your personal assets, because they are decisions taken at the same time.
On the personal side, the power can include the choice of where to live, admission to a residential centre, hiring carers, consent to medical treatment and access to the medical record. On the digital side it can provide for access to email, online banking, social media and crypto wallets, with instructions on what to close and what to keep.
Strictly personal acts stay outside. Nobody can make a will, marry, divorce, acknowledge a child or vote through an agent. The will remains the principal’s own affair, and if the aim is to arrange the estate during one’s lifetime in Galicia it is worth also looking at the apartación and the pacto de mejora, which are different instruments from the power.
Article 259 has a consequence almost nobody reads before signing. If the power covers all of the principal’s affairs, the agent is subject to the rules of curatorship in everything the power did not provide for. Those rules require judicial authorisation to sell or mortgage property, to make gifts, to waive rights and for other acts of disposal. A power “for all my affairs” copied from a template can leave the appointed child asking the court for permission to sell his mother’s flat, which is exactly what was meant to be avoided. The principal can regulate that point in the deed, waiving the authorisation or replacing it with the consent of another relative. How that waiver is structured without leaving the agent unchecked is one of the decisions we draft with each client.
How it is activated and how the agent proves it to the bank
With a continuation clause there is no activation. The agent was already using the power and keeps using it. The issue arises with the article 257 power, which is only valid once the principal needs support.
The law leaves it to the principal to set how that situation is proven. The usual provisions are a report from one or two doctors, the official dependency assessment, or directly a notarial act. If nothing was provided, or if the third party demands it, article 257 refers to a notarial act incorporating the notary’s assessment and an expert report. With the authorised copy of the power and that document the agent goes to the bank, the care home or the authorities.
Banks are strict about this, and rightly so, because they are liable for what they allow. A clear proof mechanism, fixed in the deed, avoids frozen accounts and months of paperwork. A power that merely says “when I am no longer able” leaves the decision in the hands of the branch clerk.
Article 260 requires a public deed and obliges the notary to notify the power ex officio to the Civil Registry, where it is recorded on the principal’s individual record. That has a useful effect, because if someone later opens court proceedings for support measures, the court will know the power exists and who the agent is.
How it is granted and what it costs
The principal must be of age and have the capacity to understand what he is granting at the moment of signing. It is the notary who assesses this. An initial diagnosis of cognitive decline does not in itself prevent granting the power while the person understands the act, but it narrows the window and makes it advisable to attach a recent medical report supporting the notary’s assessment. The agent can be any adult with capacity, and also a legal entity, although it is normally a child, the spouse or a trusted person.
You take to the notary’s office the principal’s identity document, the full details of the agents and substitutes, and the list of powers and safeguards to be included. The notary drafts on that basis, but the content is decided by the principal, and the quality of the power depends on how much thought has gone in beforehand.
I give no figures on cost. Notarial fees are fixed and regulated, and the notary will quote before signing, depending on the length of the deed and the number of copies. The fees of whoever drafts a tailored power are separate. Either item is a fraction of what court proceedings for support measures cost.
Safeguards the principal can build in
Article 258 allows the principal to establish control measures, instructions and safeguards against abuse, conflict of interest and undue influence, as well as to fix causes of termination. It is the article that turns the power into a made-to-measure instrument.
Examples of what is commonly agreed. Annual rendering of accounts to another child or a designated third party. A ban on selling the family home, or a requirement that two agents sign any sale. A monthly disposal limit above which joint signature is required. A ban on making gifts or lending money to third parties. An instruction that income goes first to the principal’s own care. Automatic termination if the agent is convicted of an offence against property or stops residing in Spain.
Conflict of interest deserves its own paragraph. If the power says nothing, the agent cannot buy one of the principal’s assets for himself or make gifts to himself, because he would be contracting with himself. If the principal wants to allow it, for example so that a spouse acting as agent can acquire the other half of a jointly owned flat, he has to expressly authorise self-dealing in the deed. Conversely, if he fears abuse, he can forbid it outright and add that any act benefiting the agent requires a third party’s consent.
Where no controls were agreed and the family suspects abuse, the same article 258 provides the way out. The persons entitled to apply for support measures, and the curator if there is one, can ask the court to terminate the power if the agent falls under any ground for removal of a curator, such as poor performance of the role or breach of duties. The court can also demand accounts and information. It is a judicial route, with evidence, and whoever starts it needs to bring more than a suspicion.
Several agents, substitutes and what happens if the agent fails
More than one agent can be appointed, and how they act has to be decided. Severally, so that any one of them signs alone. Jointly, so that all sign together, which gives control and removes speed. Successively, one first and another if the first is unavailable. Or by subject matter, one child for the finances and another for personal decisions. Each formula makes sense depending on the family, and mixing them is common, for example several signature for day-to-day management and joint signature for sales.
Naming a substitute is the most important point in this section. If the sole agent dies, resigns or loses capacity in turn, the power is left with nobody to exercise it. If by then the principal can no longer grant another, the family goes back to court, which is precisely what the power was meant to avoid.
Where the agent is the spouse or unmarried partner there is a specific rule in article 258. The power terminates when cohabitation ceases, unless the principal provided otherwise or the separation is due to one of them being admitted to residential care. A separation after signing automatically leaves the power without effect, and the deed should state what is wanted in that case.
Preventive power and curatorship, which prevails
Article 258 provides that the power remains in force even if other support measures are constituted in favour of the principal, whether judicial or arranged by the principal himself. If a judge later appoints a curator, the power does not fall. The curator acts in whatever the power does not cover, and the agent carries on with his part. The only thing that can end the power through the courts is termination on a ground for removal, explained above.
This fits with article 259. Where the power is general, the rules of curatorship apply only to what the principal did not provide for. The more complete the deed, the less room is left for judicial intervention.
Amendment, revocation and termination
While he retains capacity, the principal can amend the power or revoke it by granting a new deed, and the notary notifies the Civil Registry. It is also advisable to notify the agent of the revocation and recover the authorised copies, because a revoked power in the hands of a third party acting in good faith remains a problem.
The power terminates on the death of the principal, from which point the will and succession law govern, by revocation, on the grounds the principal himself fixed, by cessation of cohabitation in the case of a spouse or partner, by judicial termination under article 258, and on the death of the agent, or the agent coming to need support himself, where there is no substitute. Once capacity is lost the principal can no longer revoke it, and any change goes through the court.
Can the family set aside the power you granted
There are two routes and neither is easy. The first is nullity for lack of capacity at signing, with the burden of proof on the challenger and the notary’s assessment against him. The second is judicial termination under article 258 on a ground for removal of the agent. Neither serves a child unhappy with his parent’s choice who simply wants to change it. The same happens with a will, which is not annulled because an heir disagrees with the distribution, as I explain in can you be disinherited, the forced share. The power is the principal’s personal decision and the law protects it.
Self-appointed curatorship, advance directives and digital assets
These are three separate instruments, all compatible with the power. The same deed can include a self-appointed curatorship, which consists of designating who should be curator if a judge ever has to appoint one, and who should never be. The judge follows that designation save for serious reasons. The power settles what can be settled without a court, and the self-appointed curatorship covers the rest.
Advance directives, the so-called living will, are a healthcare document registered with the regional registry which sets out what treatments are accepted or refused at the end of life. The power does not replace them, but it can complement them for day-to-day medical and care decisions, and can designate the same person as contact so that two people are not giving contradictory instructions.
Digital assets have no specific regulation in the Civil Code, which is why the power, with an annex of instructions kept outside the deed, is the place to set out what to do with accounts, log-ins and assets that only exist online.
Preventive powers granted before Law 8/2021
They remain valid. The third transitional provision of Law 8/2021 subjects them to the new regulation, but with an exception in their favour. Where article 259 applies the rules of curatorship to the agent, those in articles 284 to 290 of the Civil Code are excluded, and they are precisely the ones that require court authorisation to sell property, make gifts or waive rights. The agent under a general power granted before September 2021 therefore does not need that authorisation, and the article 259 requirement I describe above only bites in full on powers granted afterwards. Many of those powers also speak of “incapacitation” and “guardianship”, figures that no longer exist. They do not need redoing on that account, but they do need reviewing, and if the principal still has capacity, updating.
What you can do today on your own
Decide whom you appoint and whom you appoint as substitute, and talk to them first, because an agent who does not know he is one is of no use. Draw up a list of your assets, accounts, insurance policies, debts and digital log-ins, without handing it to anyone yet. If there is already a diagnosis, gather the recent medical reports. Locate any powers and any will you have signed. Do not sign the generic template you are given anywhere without having understood article 259 and having decided how the power is activated. And do not put it off if there is a diagnosis, because the window in which the notary can give a favourable assessment of capacity is closing.
What someone who does this alone with a template risks is concrete. A power that does not fix the activation mechanism, does not deal with article 259 or does not name a substitute can end up in the very court it was meant to avoid, with an appointed child who cannot get the bank to deal with him. At the firm we draft the power with the principal and coordinate it with the notary, and when the time comes we advise the agent on activating it and the family if it has to be challenged or defended. If you want to discuss yours, call +34 677 841 007 or write through the contact page. Bring your identity document, the list of assets and accounts, the names of the people you want as agent and substitute, whether you are married or in a registered partnership, medical reports if there is a diagnosis, and any earlier powers or will. With that, the first meeting already produces a draft.
Frequently asked questions
How does my son prove to the bank that the preventive power is now active?
With the authorised copy of the power and the proof document you provided for in the deed, which can be a medical report, the official dependency assessment or a notarial act. If you provided for nothing, article 257 of the Civil Code refers to a notarial act with the notary’s assessment and an expert report. If the power had a continuation clause and was already in use, nothing needs proving.
What happens if the agent dies or loses capacity before I do?
If you named a substitute, the substitute steps in. If you did not and you still have capacity, you grant a new power. If you did not and you can no longer grant one, the family will have to ask the court for a support measure, which is what the power was meant to avoid. That is why the substitute is not optional.
Is the preventive power I signed before Law 8/2021 still valid?
Yes. The third transitional provision of Law 8/2021 subjects it to the new regulation, and if it is a general power the agent does not need the court authorisations of articles 284 to 290 of the Civil Code. It is still worth reviewing, because it will usually speak of incapacitation and guardianship, and updating it if you still have capacity.
Do I need a lawyer for a preventive power of attorney or is the notary enough?
If your estate is simple, you have a single child you fully trust and there is no business or second marriage, the notary’s model with a continuation clause may be enough. If there are several children, a company, property that may have to be sold, a spouse from a second marriage, or you want to set controls and an activation mechanism that banks will accept, the power has to be drafted to measure, and that is the lawyer’s work before going to the notary.