SII Spain: An Overview

SII Spain: Suministro Inmediato de Información

SII Spain is an electronic VAT system that affects thousands of large companies across the country. It can seem complicated, but it doesn’t have to be.

The mandate is demanding, with the impacted groups having to stay on top of the four-day reporting period. If your business meets the criteria of SII Spain, you will likely be feeling the pressure of having to comply.

Sovos is here to help, breaking down Spain’s SII system into:

  • How companies can comply (and what to expect if they don’t)
  • Key details about the mandate and how it’s developed over time
  • How Sovos can ease the burden for you at every stage

SII Spain is only one of the country’s tax compliance obligations. Our Spain VAT Compliance overview can help you stay on top of other mandates and obligations you may be subject to.

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Table of Contents

  1. Who SII affects
  2. Where is SII applicable in Spain?
  3. Quick facts
  4. What rollout dates
  5. Penalties: What happens if you don’t comply
  6. Sovos Helps Companies Stay Compliant with Spain’s SII
  7. Additional obligations for VAT compliance in Spain
  8. FAQ

Who SII affects

The mandate affects Spanish companies above an annual turnover threshold of over €6 million. It’s also applicable to VAT business groups, companies that participate in the monthly tax refund system known as REDEME and other businesses that voluntarily sign up.

Where is SII applicable in Spain?

Spain’s compliance obligations are further complicated by the country being divided into regions. Depending on where your business is based, you may well be subject to a specific combination of tax mandates.

The distinct areas where SII is applicable include:

  • Mainland Spain
  • Canary Islands
  • Bizkaia
  • Gipuzkoa
  • Alava

Quick facts about SII Spain

  • The Spanish mandate applies to companies with an annual turnover above €6 million, companies that are part of VAT groups, and companies using the REDEME system.
  • The following records must be sent to the tax authority:
    • Registered book of issued invoices
    • Registered book of received invoices
    • Registered book of investment goods
    • Registered book of certain intra-community operations
  • The transmission of the information must be via web services available to exchange XML messages.
  • Some formal obligations are reduced as taxpayers will no longer be required to file the information returns form 347 (third-party information), form 340 (transactions in register books) and form 390 (VAT annual summary).
  • In 2020 the Spanish tax administration introduced a service to pre-populate the periodic VAT return (Modelo 303) using the information taxpayers supplied via the SII.

Spain: Rollout dates

2 January 2017: The immediate supply of information on a voluntary basis for taxpayers in Spain begins.

1 July 2017: The mandatory phase of the immediate supply of information for taxpayers under the scope of the mandate begins.

1 January 2018: The period to supply information was reduced from 8 days to 4 days. The mandate also extended to other Spanish territories (Basque Provinces and Canary Islands).

1 January 2020: Introduction of a ledger to record operations related to the sale of goods in consignment.

4 January 2021: Introduction of new validations and fields that record the sales of goods in consignment

Penalties: What happens if you don’t comply

  • Omissions or inaccuracies in the information reporting obligation have a penalty of up to 1% of the total amount missed, with a maximum of €6,000.
  • Late reporting of real-time electronic VAT ledgers will trigger a penalty of 0.5% of the total amount reported, with a minimum of €300 and a maximum of €6,000 per quarter.
  • Errors or omissions in the Registered book of certain intra-community transactions and Registered book of Investment goods have a fixed penalty of €150.

Sovos Helps Companies Stay Compliant with Spain’s SII

Sovos serves as a true one-stop shop for managing all VAT compliance obligations in Spain and across the globe.

Sovos supports the Suministro Inmediato de Información (SII) platform, ensuring our customers remain compliant with the legal and technical framework developed by the Spanish tax authority (AEAT).

Sovos experts continually monitor, interpret, and codify these changes into our software, reducing the compliance burden on your tax and IT teams.

Learn more about our solution

Additional obligations for VAT compliance in Spain

While SII Spain affects many large companies nationwide, there are numerous other compliance obligations taxpayers must be aware of.

Spain B2G E-invoicing: E-invoicing has been mandatory in Spain for all transactions between public administrations and their suppliers since 2015.

Read our dedicated Spain e-invoicing overview for more information on B2G electronic invoicing.

Spain B2B E-invoicing: Businesses are under varying obligations where e-invoicing is concerned, largely depending on the nature of transactions. Mandatory B2B e-invoicing is anticipated to be implemented from 2024.

Read our dedicated Spain e-invoicing overview for more information on B2B electronic invoicing.

Bizkaia Batuz: Batuz is a tax control strategy governed by the government of Bizkaia which applies to all companies and taxpayers that are subject to the province’s regulations.

Find out more about Bizkaia’s Batuz tax system.

TicketBAI: TicketBAI is an e-invoicing mandate from the numerous tax authorities in the Basque Country which covers Álava, Biscay, and Gipiuzkoa. It outlines obligations for both individuals and companies to use software to report invoice data to the Tax Administration in real-time.

Understand TicketBAI with our dedicated blog.

FAQ for SII in Spain

The Suministro Inmediato de Información (SII) is a platform to submit invoice data to the tax authority in Spain. Taxable persons who are in scope must report invoice data within four business days following the date of issue.

In 2020 the tax administration announced a new version of the SII, introducing a ledger to record operations related to the sale of goods in consignment. This came into effect on 1 January 2021.

The Suministro Inmediato de Información (SII) was introduced on 2 January 2017 on a voluntary basis, extending to a mandatory basis on 1 July 2017. Since then, there have been changes and additional requirements

SII applies to multiple regions in Spain, including Mainland Spain, the Canary Islands, Álava, Biskaia, and Gipiuzkoa.

This was not the case when the legislation originally came into effect, as it excluded the likes of the Canary Islands, Ceuta, Melilla, Basque Country and Navarra.

The Immediate Supply of Information (Suministro Inmediato de información) SII is a system for keeping the Value Added Tax record books in the local Tax Authority’s electronic headquarters by supplying VAT-relevant information on a near-real-time basis.

  1. Issued Invoices Ledger
  2. Received Invoices Ledger
  3. Investment goods ledger
  4. Certain Intra-Community operations ledger

Sovos Helps Companies Stay Compliant with Spain’s SII

Sovos serves as a true one-stop-shop for managing all VAT compliance obligations in Spain and across the globe.

Sovos supports the Suministro Inmediato de Información (SII) platform, ensuring our customers remain compliant with the legal and technical framework developed by the Spanish tax authority (AEAT).

Sovos experts continually monitor, interpret, and codify these changes into our software, reducing the compliance burden on your tax and IT teams.

Click to learn more about our solution

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