eunormio Blog: expert knowledge on e-invoicing and compliance
Welcome to the eunormio blog — your hub for the technical side of electronic invoicing. We cover formats, integration and implementation, validation and standards compliance. We look at ZUGFeRD and Factur-X as well as XRechnung, and adjacent topics such as EN 16931 and Peppol. Stay informed, efficient and compliant with eunormio.
Representing cash discounts (Skonto) correctly in e-invoices
26 May 2026
Anyone issuing electronic invoices in the XRechnung format quickly hits a deceptively simple question: how do you express an early-payment discount so that it survives EN 16931 validation?
AI in e-invoicing: why the hype can be dangerous in accounting
15 March 2026
AI is everywhere. But in invoice processing a plausible-looking wrong number is worse than no number at all. A look at where machine learning genuinely helps — and where determinism has to win.
E-invoicing at the turn of 2026: a brief stock-take
23 December 2025
As the year closes, a short technical look back: what actually changed for the structured e-invoice, and which edge cases still trip integrations up.