SII or Immediate Supply of Information.These are the acronyms for the tax control system developed by the Tax Agency (AEAT) itself. At easyap, specialists in finance and technology, we consider it an essential topic, as it is closely related to our field and our world. The best proof of this is the numerous content pieces you can find on our blog.
However, SII and AEAT are two concepts that continue to generate many doubts for entrepreneurs and financial managers in all kinds of businesses. That’s why we want to create this new article that compiles the frequently asked questions about SII (AEAT) that are commonly found in internet search engines. And, of course, we also offer you the corresponding answers to all of them.
What is SII?
We already mentioned it at the beginning of this text, when we defined what the acronym SII stands for. But, if there is one frequent question about SII (from the AEAT), it is precisely this: what is SII? Technically, the acronym SII stands for Immediate Supply of Information (SII) and is the VAT processing system that has been developed by the Tax Agency (AEAT).
The fact is that between 2023 and 2025, digitally reporting VAT on operations carried out will be mandatory for any Spanish company. This goes hand in hand with the fact that electronic invoicing will be mandatory by law for all national companies. Furthermore, it is also the way to replace the old VAT record books.
To find more information about the specific functioning of the SII, simply visit the page of the Tax Agency’s electronic headquarters (AEAT). On it, you can find, download, and consult a large number of SII FAQsthat the AEAT itself officially responds to. Furthermore, it continuously updates the answers to questions requiring their content to be adapted temporarily and/or legally.
What is the AEAT?
Since we are referring so much to the AEAT or Tax Agency,it is also worth detailing exactly what this body does. Firstly, the acronym AEAT stands for State Tax Administration Agency, which is why most of the population commonly refers to it as the Tax Agency. Furthermore, it is the public body responsible for controlling, managing, and overseeing the various taxespaid in Spain.
The AEAT was created in 1990 with the aim of ensuring all citizens were up-to-date with their tax payments. To achieve this, this public entity applies the relevant tax system. Its objective is to uphold the constitutional principle that requires all taxpayers to contribute to public expenses based on their income and available economic resources. The SII is a system that assists in this, specifically by managing VAT payments.
When is it mandatory to submit SII?
As we noted at the beginning, the obligation to upload invoices to the SII will become effective within the next two years. However, currently, according to AEAT stipulations, the following are required to do so:
- Large companiesthat have had a volume of turnover exceeding 6,010,121.04 eurosin the previous year.
- VAT groups registered in REDEME(Monthly VAT Refund Register).
In turn, those companies that wish to may do so voluntarilyfrom their census declaration.
What information must be uploaded to the AEAT’s SII?
According to the AEAT, taxable persons adhering to the SII are required to report the invoicing records listed in the following register books:
- The electronic invoices that you have issued.
- The electronic invoices that you have received.
- The company’s investment goods that may impact its invoicing and are therefore recorded in the Investment Goods accounting ledger.
- The intra-community operations subject to VAT and are therefore recorded in the Register Book of Certain Intra-Community Operations.
In this way, companies that are VAT taxpayers will be submitting all details about their invoicing to the AEAT. In turn, the SII itself will be configured with all this information that is recorded in the classic Register Books, essential in accounting.
How many days do I have to upload an invoice to the SII?
It will depend on whether we are talking about received invoices or issued invoices. In the case of invoices you issue, you will have a period of four calendar days from the invoice issuance to register it, except if they are invoices issued by the recipient or a third party. In that case, the period will be eight calendar days. Nevertheless, the submission must be made before the 16th day of the month following that in which the VAT accrual occurred.
In turn, for received invoices, the deadline is four calendar days, counting from the date the invoice is recorded in the accounting system. At the same time, it must be before the 16th day of the month following the settlement period in which the operations corresponding to that invoice were recorded.
In turn, for other invoices that can be recorded in any of the accounting ledgers (e.g., corrective ones) that we mentioned earlier:
- For intra-community operations, the deadline will be four calendar days from the date of issuance or receipt of the invoice.
- For operations involving investment goods, it will be sufficient to submit it within the deadline of the last settlement period of the year.
How can I voluntarily opt into the SII?
To opt into the SII, you need two things. On the one hand, you can indicate that you wish to join it at any time in the census declaration using boxes 143 and 532 of form 036. Likewise, your company will be included from the day following the end of the settlement period in which the option was exercised. That is to say, if you register on April 25th, your registration will officially begin on June 1st.
The other need you will have, especially for your convenience, will be to integrate the SII into your invoicing platform. In this way, you will be able to upload all your invoices quickly, efficiently, and simply. And precisely with this, easyap can help you. Later, we will provide more details.
Do invoices also need to be sent to the AEAT?
No.It will be enough to register them in the SII. What you will have to submit are the fields of the invoicing records specified in the Royal Decree 596/2016, of December 2nd, which is the regulation that governs everything related to the AEAT’s SII.
What role does easyap play in relation to the SII?
To conclude this article on frequently asked questions about the AEAT’s SII, we simply want to highlight how we can help your business in this aspect.
At easyap, based on over 20 years of experience with projects in finance and technology, we developed the easyei portal. In it, you can consolidate the sending of your digital invoicing information to the Tax Agency.
In turn, to implement it, it doesn’t matter what ERP or accounting system you use. easyap’s solution maps and organizes your invoice information according to the AEAT’s requirements. Furthermore, we adapt to your information model. With the solution we offer, you can enjoy some of the following benefits:
- We customize the softwarebased on the requirements of the corresponding Tax Agency.
- The mapping and logical coding adaptation complywith what the corresponding Tax Agency requires.
- You can check the data onlinethat you have been reporting to the corresponding Tax Agency.
- By outsourcing this management you optimize resources.
- You transform a fixed cost into a variable one,since with our solution you pay for each transaction.
- You do not depend on your clients’ accounting systems and/or any legal changes that may occur.
And all this is not to mention many other advantages it offers in terms of operability and convenience for your organization’s teams, who can use it daily. Legal, financial, human resources departments… Benefits we are eager to tell you about. For that, we provide you with here our contact information.We and the digital transformationof your business are waiting for you.
