Online filing of Form 143

If you have a certificate, electronic DNI or you are registered in the Cl@ve PIN system, you can file form 143 electronically.

An application must be made for each deduction to which a person may be entitled and, in the case of dependent ascendants or descendants, an application must be made for each ascendant or descendant entitled to the deduction.

Indicates the type of deduction and the method of application.The modality selected at the time of submission can only be changed during the month of January.Remember that, in collective applications for large families, only the ascendants should be listed as applicants, except in the case of siblings who have lost both parents, in which case they will be the applicants.Therefore, children should not be included in applications for early payment for large families.

The other information to be included in the application for advance payment is as follows:

• The details of the applicant, in the case of an individual application, or the person designated as first applicant, in the case of collective applications.Here you must state the Regime or Mutual Society, except in the case of taxpayers receiving unemployment benefits or social welfare pensions or similar, in which case the "Non-contributory" box should be selected.
• In the case of collective applications, enter the details of the rest of the applicants also eligible for the deduction.
• IBAN code of the bank account for the payment. The account holder must be the recipient of the deduction advance.
• The information requested in each type of application for large families or disabled ascendants or descendants giving the deduction entitlement.

Once you have completed the application form, click on "Validate".

Review the declaration details and click on "Sign and Send".A new window for confirmation of the submission will appear, tick the "OK" box and press the "Sign and Submit" button again.

If the submission is correct, the submission receipt will be displayed confirming the recording of the application in the register and providing the CSV (Secure Verification Code) which allows the receipt to be retrieved through the Headquarters' electronic document matching system.From the link "View in printable format" you can download in PDF the receipt of submission of the application.