Form 390 - Technical assistance

Tax Form 390.Filing using a file

The option "Modelo 390.Financial year 2022.Filing (with file)" allows you to file form 390 using a file previously generated with an external application.

The file generated must conform to the specifications of the register design published in the electronic headquarters of the AEAT.

How can you identify yourself?

• With certificate or DNI electronic
• With Cl@ve PIN (only individuals)

Types of representation

• In own name (declarant / declaration holder)
• On behalf of third parties: via social partnership, power of attorney or succession

After identification, check the prompt box to make sure that you are going to make the presentation correctly.Click on "Read declaration" and select the declaration file that you want to send and that complies with the updated record layout for form 390.

The return will be uploaded on a form similar to the one available at the electronic office, although in the file-based filing system the fields are not editable.Any changes will have to be made in the file or in the application you have used to generate it.

Click "Sign and Submit" at the bottom of the page to submit the declaration.

Check the “OK” box and click “Sign and send”.

If the submission is correct, you will get a response page with the Secure Verification Code (CSV) and the PDF of the submitted declaration.