Update: Belgium’s B2B e-invoicing mandate is live As of January 21, 2026 Belgium’s mandatory structured B2B e-invoicing is now in effect. Peppol is the default transmission network and Peppol BIS 3.0/EN 16931 the reference standard. Alternative EN16931-aligned formats remain possible by mutual agreement.Three-month tolerance period: The Belgian tax administration (FPS Finance) will not apply penalties […]
This is a companion discussion topic for the original entry at https://blog.seeburger.com/belgium-is-considering-bringing-in-a-b2b-e-invoicing-mandate/
