If you apply for a Clave permanente, that is a form of electronic identification, you will be able to enter the virtual office of all the government organisations and see all the information they hold about you.
The organizations include SUMA, Agencia Tributaria (Tax) and Trafico as well as some others.
The information you can see online are all your invoices, payments, tax returns, fines, outstanding bills, direct debit details etc. going back several years.
It is very easy to obtain a CLAVE, visit this web page
http://clave.gob.es/clave_Home/en/regis ... rarme.htmlRead the information in English and fillin your details online. You willthen get a confirmation letter through the post with your initial details. Log back in with these details and then choose your username and a secure password.
Then you can unlock the pandoras box of government institutions online , at home, at your leisure and view and print your documents. You only need to visit the offices concerned if you need to speak to someone personally.