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Form 149

Identify yourself with digital signature (electronic DNI or digital certificate) or using the Cl@ve PIN access system (only natural persons).If the taxpayer does not have an electronic certificate, the person filing must be authorised to file returns on behalf of third parties, either by being registered as a social partner or by being authorised to do so.

To correctly view all parts of the form, before accessing, check the zoom and font size set in the browser (once the tax return has been submitted you can go back to the previous zoom and font size).

  • On Internet Explorer, go to "View" on the menu bar (if not activated, click F10), "Text Size" and select "Medium".Under "Zoom" select 100%.You can also select the zoom from the nut icon.

  • In Microsoft Edge, go to the three horizontal dots icon in the top right corner and under "Zoom" select 100% with the "+" and "-" signs, then click on "Settings", "Appearance", "Fonts" and under "Font size" select "Medium (recommended)".

  • On Google Chrome, go to "Settings" (by clicking the three vertical dots), "Appearance", "Font Size" and select "Medium (recommended)".Under "Page Zoom" select 100%.You can also select 100% zoom from "Zoom in/out".

  • On Mozilla Firefox, go to the three stripes icon.In "Size" select 100% with the "+" and "-” signs, click "Options", "General", "Language and appearance" and in "Fonts and colours" select a size lower than the current one, if you do not see the form correctly.

  • On Safari, go to "View", "Zoom" or "Zoom Out".

Fill in the mandatory data marked with asterisks:NIF, surnames and names of the taxpayer and, if necessary, the representative.

fill in mandatory data

Then fill in the data corresponding to the reason for the tax return.

fill in tax return

At the bottom of the form you will find buttons with the form’s functionalities.Click "Validate tax return" to check for errors when filling out the tax return.The list of detected errors and notifications will be shown. To correct these, go to the button "Go to Error" or "Go to Notification" together with the description of the mistake.If no errors are detected, the description will report no errors and you may file the tax return.

validate tax return

If you want to keep the tax return with the data entered so far, even if it contains errors, click the "Save” button and you will get a file in .ses format with the name NIF of the taxpayer-date, which you can save.If you do not select a path, it will be saved by default in the directory you have set in your browser or in the "Downloads" folder.

save return 149

You can retrieve the tax return using the "Load” option at any time if you close the window by selecting the previously saved .ses file.

option load tax return

Finally, click "Sign and Send".A window with the information of the encrypted return and details of the presenter and the declarer will appear.Marca la casilla "Conforme" y pulsa "Firmar y Enviar" para finalizar la presentación.

Sign and send

Agree

If everything is correct, you will receive the reply page with the message "Your tax return has been filed successfully", with an embedded PDF, the first page of which contains information on the filing process (registry entry number, Secure Verification Code, receipt number, date and time of filing and details of the taxpayer). The following pages contain a complete copy of the tax return.

supporting filing 149