Form 840 and 848

Electronic filing of form 840

Access to "Form 840: Complimentation and online filing " must be carried out with an electronic certificate, the holder of which is the declarant, a social collaborator or an authorised representative to carry out this procedure.

If you do not have to provide documentation, you can also file it on paper by downloading the form you will find in "Information."

In the button panel at the top of the model you can see the different pages of the tax return and the options for "Import file data", "New tax return", "Record file" and "Send."

By clicking on the "Optional: Record file " you can save a completed and correct declaration to file it at another time or from another computer.

A Tax ID file will be saved. 840.txt in the folder "Downloads" of your computer or in the directory that is predetermined in the browser.

The option "Optional: Import file data. Choose file " allows you to import the file previously saved from the form or generated with a program outside the Tax Agency. This file must be text and be adapted to the logical design published for the current model. The register designs are published on the website.

By clicking the "Choose file" button, you can select the file from the location where it is saved.

Once the tax return has been filled in, click on "Send" to make the tax return online.

If errors are detected in the completed information in this step, you will see the description of the errors detected at the top of the screen. 

If no errors are detected, a screen will appear with the options "Consult tax return" (it shows a draft tax return that is not valid for filing) and "File tax return." Click on the latter to continue with the presentation

In the next window, tick the box "OK" and click "Sign and Send."

The result of a correct presentation will be a receipt of presentation with an embedded PDF, which contains a first sheet with the information of the presentation (registration entry number, Secure Verification Code, receipt number, day and time of presentation and presenter details) and the full copy of the tax return on the following pages.

If you wish to submit complementary documentation to the model filed, log in with an electronic certificate or Cl@ve through the option "Contribute complementary documentation, form 840". This application allows documents to be sent in various formats that will be linked to the tax return by file number or electronic reference.

If you do not have to provide documentation, you can also file it on paper by downloading the form.