How Mandatory Electronic Invoicing Will Change Your Company’s Operations

The Spanish Tax Agency has taken a decisive step toward the digitalization of commercial relationships between companies with the publication of Royal Decree 238/2026, which establishes the mandatory electronic invoicing system between businesses and professionals.

This regulation does not simply replace paper invoices with a digital format. It introduces a much deeper change: it requires the full digitalization of the invoice lifecycle and strengthens control over payments in commercial transactions.

If you want to understand the broader context of the measures recently approved by the Government, you can also read our analysis of the Response Plan to the crisis in the Middle East.

Much More Than Digital Invoicing

The new system does not only require issuing electronic invoices. It affects the entire process:

• Issuance and sending.
• Receipt.
• Acceptance or rejection.
• Effective payment.
• Storage.

This means that the invoice is no longer a static document but becomes a traceable information flow.

One of the most significant changes is the obligation to communicate the invoice status. The recipient must report whether it is accepted or rejected, and also when payment occurs. This connects directly with monitoring late payments and increasing transparency in commercial relationships.

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A Hybrid System: Private Platforms and a Public Solution

The model designed combines two elements:

On the one hand, private electronic invoicing platforms, which many companies will continue to use.

On the other hand, a public solution managed by the Spanish Tax Agency, which will act as a central repository for information.

Even when private solutions are used, it will be mandatory to send a copy of each invoice to the public platform. This strengthens administrative oversight and ensures the traceability of transactions.

In addition, this public solution will allow companies and professionals to issue invoices, consult them, and access information about their status, including payment.

New Obligations That Directly Impact Companies

The change is not only technological but also operational. Among the main obligations are:

• Issuing and receiving electronic invoices in all B2B transactions.
• Identifying a reception point for invoices.
• Communicating the acceptance, rejection, and payment of invoices within very short deadlines.
• Ensuring the full traceability of each invoice through unique identifiers.

This means reviewing internal processes, especially in areas such as administration, accounting, and treasury.

For example, accounts receivable management will no longer be just an internal matter: it will become part of a shared information system with the Administration.

Payment Control and the Fight Against Late Payments

One of the clearest objectives of the regulation is to strengthen control over payment terms.

The system will require companies to report the full effective payment of invoices and their key dates. In the absence of rejection, the invoice will be considered accepted, which may have implications for the management of commercial disputes.

This level of information will allow the Spanish Tax Agency to monitor compliance with late payment regulations and generate indicators on companies’ payment behavior.

Implementation Timeline: When You Must Adapt

The royal decree has already entered into force, but its effective application will be gradual and will depend on a Ministerial Order still pending publication.

From that moment, the deadlines will be:

• 12 months for companies with turnover exceeding €8 million.
• 24 months for all other companies and professionals.

In addition, some obligations, such as communicating invoice status in certain cases, may have additional deadlines.

Important: during the initial phase, large companies will also need to provide invoices in PDF format to ensure a smooth transition.

What Companies Should Do Now

Although the obligation is not immediate, the impact is significant enough for companies to start preparing. Some key actions:

• Review current invoicing systems.
• Assess whether to use a private platform or the public solution.
• Adapt internal processes for invoice validation and payment.
• Coordinate accounting, IT, and treasury teams.

This is not only about complying with a formal requirement but about adapting operations to a much more transparent and automated model.

How Adlanter Can Help

Mandatory electronic invoicing represents a structural change in the way companies manage their operations.

It affects internal control, relationships with suppliers and clients, and how cash flows are managed.

Companies that anticipate this change will be able to improve their efficiency. Those that do not may face operational and compliance challenges.

If you want to prepare for mandatory electronic invoicing safely and without risk, contact our tax and business advisory team, and we will help you adapt your company to this new environment.