📄 Belgium — Invoice Formats
XRechnung, ZUGFeRD, Peppol BIS, and other format standards
formats5 min read
Belgium's Five-Corner Model Explained: How the 2028 E-Reporting Proposal Extends Peppol
Belgium's Peppol e-invoicing mandate uses a four-corner model. A pre-draft law approved 18 July 2026 would add a fifth corner — the tax authority — from 2028. Here's what changes.
Updated: 4 Sept 2026
formats4 min read
UBL 2.1 vs CII: Which Peppol Format Does Belgium's E-Invoicing Mandate Require?
Belgium's B2B e-invoicing mandate accepts both UBL 2.1 and CII 16B under EN 16931 — but only one is what your Peppol access point will actually send. Here's the difference.
Updated: 27 Aug 2026