EU E-Invoicing Guides
Choose a country or delivery model, then confirm the current rules with the tax authority or official portal.
When this EU overview is the right starting point
Use the EU overview before you dive into a country rule. It explains the shared building blocks first: EN 16931, syntax choice, routing models, validation, and how those pieces affect implementation across multiple markets.
Common EU implementation decisions
EU E-Invoicing
Country requirements and delivery models such as Peppol, portals, and clearance
Country Guides
Country-by-country basics: formats, routing, and recipient identifiers
Code Lists
Common code lists for e-invoices: VAT categories, payment means, units, and more
Focus countries (start here)
A practical starting subset based on market size and e-invoicing maturity. Always confirm specifics via the official portal or tax authority.
Open guide
EU e-invoicing in 2026: what to implement (and why)
Updated 2026-01-19A practical guide to EU e-invoicing: EN 16931, UBL/CII, PEPPOL, validation, identifiers, and how to prepare your invoicing process.
EU top markets playbook (DE, FR, IT, ES, PL, NL)
Updated 2026-01-19A country-by-country implementation guide for the largest and most mature EU e-invoicing markets: formats, routing, identifiers, pitfalls, and testing.
PEPPOL in the EU: how exchange actually works
Updated 2026-01-19A practical PEPPOL guide for invoicing teams: 4-corner model, endpoint discovery, profiles, code lists, and common validation issues.
CTC/clearance and portals in the EU: how to build reliable integrations
Updated 2026-01-19Understand clearance-style e-invoicing and national portals: how delivery differs from PEPPOL, what to store, and how to build resilient integrations.
Recommended next pages
Choose the next page based on the first blocker in your rollout: legal model, country routing, or validation.