As from 1 July 2017 the Spanish tax authorities have introduced a system for the immediate supply of accounting information to the tax authorities. The submission of accounting data via this platform is mandatory for all taxpayers filing monthly VAT returns, i.e.:
There is also the possibility to opt in voluntarily for the SII with a minimum tie-in period of the corresponding calendar year.
Taxpayers subscribed to the SII must provide the tax authorities with the electronic invoicing record of the following Books:
The Information will be sent electronically via a Web service using XML-files for communication. These XML-files can be created by using an extension of your ERP-system or by using a third-party software solution. Furthermore, there is the option to use an online form for a small number of transactions.
At Marosa we have developed a Software solution for the SII submission process where you provide us with your accounting information via a template and we will convert your information into the format required, submit it to the Spanish tax authorities and provide you with the response of the Spanish tax authorities.