Electronic Invoicing Becomes Mandatory: Deadlines for Businesses and Freelancers. The Spanish government has set dates for the transition to mandatory electronic invoicing. Large companies must implement the system in 2027, while small businesses and freelancers will follow in 2028. The new rules will affect everyone working with other businesses.
Spain has set concrete deadlines for the transition to mandatory electronic invoicing for businesses. The Ministry of Finance has published a draft regulation that establishes new rules for companies, professionals, small and medium-sized enterprises, as well as self-employed individuals engaged in transactions with other organizations. This decision will be one of the most significant changes in business document management in recent years.
According to the draft, the technical standard required to launch the system will come into force on October 1, 2026. From that moment, the transition period will begin: large companies with an annual turnover exceeding 8 million euros will have one year to adapt, while all others will have two years. Thus, for major players, the obligation will take effect on October 1, 2027, and for small businesses and the self-employed — on October 1, 2028.
Who will be affected by the transition
Mandatory electronic invoicing will affect all entrepreneurs and professionals if their counterparty is also a business or specialist with a permanent presence or registration in Spain. The exception applies to transactions documented with simplified invoices, except for specific cases provided by regulation. This means that the vast majority of business transactions between companies and individual entrepreneurs will move to a digital format.
For large companies whose turnover exceeds the established threshold, switching to electronic invoicing will become mandatory just one year after the technical requirements take effect. Other market participants will have an additional year to prepare. According to the Ministry of Finance, this approach is intended to ensure a smoother transition and reduce the burden on small businesses.
The new system and its capabilities
An important part of the reform will be the introduction of a public platform for working with electronic invoices, which will be administered by the Tax Agency. Through this system, it will be possible not only to issue and receive invoices but also to track their status and integrate with private platforms. Access to the government platform will be free of charge, and the system itself must be available at least two months before the new rules become mandatory.
A free application or online form will be provided for entrepreneurs and professionals, allowing them to create electronic invoices and track their payments. This solution is designed to facilitate the transition for those who do not use specialized accounting software.
Payment control and new requirements
One of the key innovations will be the obligation for recipients of electronic invoices to report full or partial payment, as well as any refusal to pay, via the public platform. Information on the actual payment date must be submitted within four calendar days, excluding weekends and public holidays. This mechanism will increase transparency in settlements between companies and reduce the risks of payment delays.
The draft procedure is still under discussion. On April 17, 2026, the Ministry of Finance opened the period for submitting comments and suggestions, which will end on May 8. The final implementation dates for the new rules will depend on the approval of the document.
The transition to electronic invoicing is not the only change in the financial sector awaiting Spanish businesses in the coming years. For instance, a recent initiative discussed the storage of cash in case of payment system failures, which was covered in detail in the article on recommendations by the Bank of Spain on creating a cash reserve for emergencies. All these measures reflect the government’s goal to increase the resilience and transparency of financial processes.
