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Help

  • Cl@ve APP

    Install the Cl@ve APP on your mobile device to speed up access to procedures.

  • APP of the Tax Agency

    Install the Tax Agency APP on your mobile and you will be able to carry out your transactions comfortably from there.

  • Phishing warning and security recommendations

    On this page you will find information about detected cases of attempted impersonation of the Tax Agency through fake emails and SMS.

  • Taxpayer Calendar

    Know the dates for filing taxes and other returns

  • 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.

  • Content in easy reading

    In this section you will find content explained in a simple way and adapted to special needs.

  • Downloading Aid programmes

    Allows the preparation and modification of declarations for subsequent submission.

  • Registry design

    The different register designs published in this section allow the creation of a valid file for the submission of declarations.

  • Electronic signature (certificate or electronic ID) and Cl@ve system - Technical help

    Find out how to apply for and work with an electronic certificate, how to register in the Cl@ve system or how to identify yourself with the electronic DNI.

  • Virtual assistance tools

    In this section you will find a whole set of virtual assistance tools for Personal Income Tax, Tax Registries, VAT, SII and Collections, made up of virtual assistants, Informers, for Renta and Tax Registries, economic activity search engines, locators of goods and services delivery operations, real estate operations qualifier, calculators for payment deadlines, invoicing, late payment interest, modification of taxable bases, and finally help for the drafting of VAT forms 303 and 390.

  • Manuals, videos and brochures

    Find answers to your questions with our manuals, videos and information brochures

  • Income. FAQs

    Check out the frequently asked questions on personal income tax for the current and previous years.

  • Auxiliary tables of residences

    Consult the tables of countries, provinces, municipalities, towns and localities, types of roads and AEAT offices.