Computer enquiries
Request assistance for computer incidents or technical support, or access technical information and help on the operation of all web services available on the Tax Agency's electronic office.
Contact us
For assistance with computer incidents or support on computer technical issues, contact us through the following link:
- Renta - Technical assistance
All the information you need to file your income tax return via the internet
- Filing returns - Technical assistance
Information on the declaration of Assets, monthly and quarterly VAT declarations, Personal Income Tax Declarations, Payments on account, Non-Resident Income Tax, Censuses, NIF and tax domicile, Inheritance and Donation Tax, Registration Tax, Model 360, Deduction for large families, for ascendants with two children or for disabled dependents, Deduction for maternity, Fees, Lots and Customs
- Payment of taxes, debts and fees - Technical assistance
Find out what an NRC is, and how to pay your self-assessed tax returns and debts, and manage your direct debits.
- Electronic notifications - Technical assistance
General information on the consultation of electronic notifications on the Tax Agency website, operation of the Single Authorized Electronic Address (DEHú), request for courtesy days
- AEAT mobile applications - Technical assistance
Learn how the Tax Agency's mobile apps work and how they are useful
- Informative Declarations - Technical assistance
Go here to find out how to file, consult and modify each of the informative tax return forms.
- Corporation Tax - Technical help
How to file corporation tax forms 200 and 220 on the internet
- Tax certificates - Technical assistance
All information on applying for, viewing and checking tax certificates
- Other Services - Technical Assistance
Information on querying declarations, appointments, "My alerts", "Personal area", Online powers of attorney, refund of undue income, tax complaint, public employment and labels, among others.
- Social collaboration - Technical assistance
Information on electronic procedures on behalf of third parties for social collaborators Electronic procedures for professional bodies associations Types of corporate cooperation agreements
- Information on cases of impersonation of the Tax Agency
The Tax Agency insists that it never requests confidential, financial or personal information, account numbers or card numbers from taxpayers by email, SMS or Bizum, nor does it attach attachments with invoice information or other types of data.
- General information on online Customs filing - Technical help
General information on filing Customs tax returns
- Excise and Environmental Taxes - Technical assistance
Information and technical guides on the filing of excise and environmental tax returns and documents
- Technical verifications
Information on the Java Virtual Machine and PDF readers
- Remote support tools - Technical assistance
In addition to following the instructions of the agent that is dealing with your enquiry, we recommend that you consult the following considerations regarding the tool, where you will also find links to download the application for each operating system.