Response to a proposed tax assessment or a request from the Spanish Tax Agency (Spain)
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This document is in Spanish
The PDF you download is in Spanish — that is the language it has to be filed in, so it is not translated. Everything on this page is here to tell you what it says.
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This step is free on the Spanish Tax Agency's online office; you do not need DocMuse for it. For anyone who has received from the Spanish Tax Agency (AEAT) a proposed assessment or a request for information and wants to answer: the written response (alegaciones) that sets out your reasons and encloses your documents, within the time given in the notice. It is filed online, at a registry office or at a Spanish post office; companies file online. Navarre and the Basque Country have their own tax authorities, and the Canary Islands apply IGIC. In Spanish.
- Made for use in Spain
- Last updated October 20, 2026
Published byDocMuse
When to use this document
- You have received a letter from Hacienda in Spain proposing extra tax and want to explain why it is wrong.
- The Spanish Tax Agency is asking for documents to back an expense or income in your return.
- The deadline on a letter from the tax office is running and you want to reply in writing with proof.
- You want to answer a proposed tax bill before it becomes a final assessment.
What you fill in
The details the document asks for.
- Applicant
- Applicant's DNI or NIE (Spanish identity number)
- Applicant's address
- Phone
- Date the notification was received
- Spanish Tax Agency office that issued the decision (as named on the notification)
- What you received
- Reference or file number of the decision
- Tax and period (e.g. IRPF 2024)
- Your arguments and explanation (with the facts and documents supporting them)
- What you ask for
- Attachments
- City
- Date
Common questions
- How long is there to answer a proposed assessment from the Spanish Tax Agency?
- The time stated in the notice itself, in working days from the day after receipt: ten working days in data checks and limited reviews, and up to fifteen in other cases. An electronic notice in Spain's DEHú mailbox counts as received when opened or, if it is not opened, ten calendar days after it was made available (art. 43.2 of Spanish Law 39/2015). After the deadline the Spanish Tax Agency may issue the assessment without your response.
- What happens after the response is filed with the Spanish Tax Agency?
- The Spanish Tax Agency considers it and either closes the case or settles it as you declared, or issues the provisional assessment, which must explain why your arguments were not accepted. The response is not an appeal: against that assessment you may file an appeal for reconsideration or a claim to the economic-administrative tribunal within one month of notification (arts. 223 and 235 of the Spanish General Tax Act).
- How is the response filed online with the Spanish Tax Agency?
- On the Spanish Tax Agency's online office, with Cl@ve, a digital certificate or the electronic DNI, there is a service for answering requests and providing documents about a notice received: you type the response there or attach this document as a PDF, with your evidence. Companies and members of professional bodies must use that route (art. 14.2 of Spanish Law 39/2015). A private individual may also file it on paper at a registry office or a post office.
How you can sign this document
- Print it and sign by hand. The signature lines in the document are left blank on purpose — sign on them in ink.
- Sign it yourself with a qualified electronic signature. If you already hold a QES — Evrotrust, B-Trust, StampIT, ZealiD or any qualified provider on the EU Trusted List, on a card, a USB token, in a mobile app or in the cloud — our signing guide explains step by step how to sign this exact file without invalidating it. Step-by-step help, and a way to check it worked
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