Peppol is becoming the backbone of the 2026 Belgian B2B e-invoicing mandate, and companies of all sizes are preparing to adapt their billing workflows. Yet despite the growing amount of documentation available, many businesses still struggle with practical questions: What happens if I resend the same invoice? Can I invoice foreign clients? Can I correct a document once it’s been sent? Why does Peppol validate some invoices but not others?

On 2 December 2025, Belgium’s Federal Public Service Finance confirmed two essential points: 1. The Belgian B2B e-invoicing mandate enters into force on 1 January 2026. Structured electronic invoicing becomes mandatory for all domestic B2B transactions between VAT-liable companies. 2. A three-month tolerance period will apply during Q1 2026. But this is not a postponement, the obligation remains fully active.The tolerance applies only to businesses that have begun the

As 2026 looms, a lot of myths swirl around e-invoicing and the upcoming obligation for Belgian businesses. Many entrepreneurs hear things like “It’s only for big companies,” or “It’s too expensive,” or “It doesn’t concern me.”At PeppolEDGE , we’ve been through these questions over and over, and we’re here to clear the fog. Here are the 6 most common myths, and what the facts really are. Myth 1: “Peppol & e-invoicing in Belgium is only for B2B (business-to-business)” ❌ False.

Most Peppol failures have nothing to do with the network itself , they come from incorrect or incomplete data. Here are the issues we see every single week

Our consultants work hands-on with your teams to ensure a perfect fit, from mapping and integrations to architectural alignment, audit readiness and hardened environments for ISO 27001 and internal governance requirements.

Electronic invoicing (e-invoicing) involves processing vast amounts of sensitive data, which makes cybersecurity and data privacy critical concerns for all parties involved. Adopting the ISO 27001 information security standard helps organizations minimize these risks by focusing on core aspects such as data protection, compliance, and risk management.

Flexibility is our proton pack. Sovereignty is our containment field. And Guidance keeps everything under control.

Through certified Access Points, companies can send and receive invoices in a structured, interoperable way that complies with European e-invoicing regulations. For many organizations, solutions like Peppol EDGE by Internet Vista make this transition effortless, offering a ready-to-use, cloud-based gateway to the Peppol network, built for flexibility, security, and scalability.

We’re thrilled to announce that our team has officially moved into our new offices!

Our Bridge technology ensures that you don’t need to produce UBL BIS V3 yourself. Whatever your original invoice format is, Peppol Edge transforms it into a fully compliant document, automatically.