Power of Attorney for Spanish Nationality

By Juan Madridejos Velasco and Luis Alberto Álvarez Moreno, Notaries of Barcelona and partners of the Notaria in Barcelona JLA Notarios.

Table of Contents (6)
  • Is it possible to take the nationality oath by power of attorney?
  • The Power of Attorney for the oath of Spanish nationality in minors step by step
  • The power of attorney for procedures prior to the oath-taking
  • Summary Table: In which nationality procedures can I use a power of attorney?
  • Frequently asked questions about powers of attorney for nationality procedures
  • Conclusion about the power of attorney for Spanish nationality

The power of attorney for Spanish nationality is a very useful tool in the processing of the file, especially when the interested party cannot personally manage all the procedures. However, it raises many doubts, especially regarding the oath of nationality: can it be done by power of attorney or is it mandatory to attend in person?

In this article, as notaries for oaths in Barcelona, we explain in which cases a power of attorney can be used in the Spanish nationality process, when the presence of the interested party is essential, and how it works in the case of minors.

Is it possible to take the nationality oath by power of attorney?

The oath or promise of Spanish nationality is a very personal act, except for some preliminary procedures. This means that it must be carried out by the person concerned themselves and cannot be delegated, and it is also mandatory to attend the Civil Registry or the authorised Notary.

Furthermore, there is an important exception: the case of minors when legal representatives, parents or guardians act on their behalf.

The Power of Attorney for the oath of Spanish nationality in minors step by step

In the case of minors, the power of attorney does allow the nationality oath to be made by representation, unlike what happens with adults.

Once the favourable nationality resolution has been granted, if only one of the parents can attend the oath of a minor, they must grant a power of attorney authorising the other parent with the powers to act on behalf of the minor.

Sometimes this is necessary because one of the two parents resides abroad, cannot travel to the place where the oath is taken, or it is impossible to coordinate the appointment.

For this reason, a power of attorney must be granted with the express authority to represent the minor, give consent, and take the oath. If the parent is:

  • Outside Spain, they may do so abroad (provided it is legalised or with Hague Apostille and/or with sworn translation)
  • In Spain: they can process the power of attorney for Spanish nationality at a notary in Spain or an online power of attorney, speeding up the procedure.

Contact our:

Thus, the parent takes the oath on behalf of the minor and expresses the intention to acquire nationality.

You can learn about this process here:

The power of attorney for procedures prior to the oath-taking

The power of attorney in Spanish nationality procedures is not used to perform the oath, as this act is highly personal, but it is especially useful in all the previous phases and ancillary management of the file.

In practice, many applicants cannot personally handle all the procedures due to lack of time, lack of knowledge of the procedure, or language difficulties. In these cases, the power of attorney allows delegating the management to a lawyer, agent, or trusted person.

Among the main actions that can be carried out by power of attorney are:

  • Submitting the application for Spanish nationality on behalf of the interested party
  • Providing documentation required by the Administration
  • Rectifying errors or responding to requests
  • Requesting and managing prior appointments in public bodies
  • Carrying out the monitoring of the file
  • Receiving administrative notifications

This type of power allows the procedure to progress more swiftly and reduces the risk of errors that could delay or even cause the file to be archived.

However, it is important to remember that the power of attorney does not replace the personal intervention of the interested party in those acts that the law considers non-delegable, such as the oath or promise of nationality.

Summary Table: In which nationality procedures can I use a power of attorney?

Below, we clearly show in which Spanish nationality procedures a power of attorney can be used and in which it cannot.

Procedure Can it be done with a power of attorney? Observations
Submit nationality application Yes Can be done by lawyer or representative
Provide documentation Yes Includes corrections
Follow up on the file Yes Enquiries and procedures
Receive notifications Yes Electronic or in person
Oath of nationality (adults) No Highly personal act
Oath of nationality (minors) Yes Through representatives

 

Frequently asked questions about powers of attorney for nationality procedures

The power of attorney also allows signing employment contracts, social integration processes, filing appeals in unfavourable nationality cases, processing the renewal of identity documents and, as we have seen, managing the nationality application file.


The most commonly granted powers are powers for litigation (these are used to challenge the denial of residency). Additionally, special powers for contract signing and sales, and double-column powers.


The cost of a power of attorney for Spanish nationality procedures usually ranges between 60 and 90 euros, depending on the number of pages, authorised copies and complexity of the content. This price is regulated by the notarial tariff, so it is similar in all notaries.


Conclusion about the power of attorney for Spanish nationality

The power of attorney for Spanish nationality allows you to delegate procedures, avoid errors, and speed up the process. However, it is important to use it correctly, as it does not replace the personal involvement of the interested party in acts such as the oath of nationality, except in the case of minors represented by their parents.

Therefore, having notarial advice is key to drafting an appropriate power of attorney, tailored to each case and the legal limits of the procedure.

At JLA Notarios, Notarios Barcelona in the Eixample, near Gracia and Francesc Macià, we help you prepare your power of attorney for nationality procedures safely and personally. Contact us and avoid errors that could delay your process.

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