Forms 840 and 848Skip information index
Online filing of form 848
Go to "File declaration, form 848" identifying yourself with an electronic certificate, DNIe or Cl@ve PIN of the holder, a social collaborator or proxy to the procedure.
After entering the relevant data, add the corresponding data and files by clicking on "Add file".You must attach at least one file.The "Help" link indicates the file formats and the maximum size allowed for attachments.
If you do not need to add any more files, click on "Submit".
A new screen with the data summary will be displayed;If everything is correct, click on "Sign and Send".
Then an encrypted summary of the form details is displayed.If everything is correct, tick the "I agree" box and click on "Sign and Send".
The proof of submission will be displayed on the screen.
There is also the option of paper submission by downloading the form.