Knowledge Center
A structured directory of e-invoicing concepts: Peppol, national mandates, standards, and core documents.
Peppol
The Peppol network, access points, and exchange standards.
- What is Peppol?
- Peppol Access Point — what it is and why it matters
- Peppol registration for Belgian businesses
- Belgique
- Peppol participant lookup — how to check if a counterparty is reachable
- Belgique
- Peppol Invoice Message Responses (IMR)
- Peppol inbound inbox — receiving supplier invoices
- Belgique
- Sending an invoice when your client is not on Peppol
- Belgique
E-invoicing
Belgian obligation, compliance, and structured invoices.
- Belgian structured e-invoicing obligation (2026)
- Belgique
- PDF vs structured invoice
- Belgique
- EN 16931, UBL, and the structured invoice
- Belgian e-invoicing penalties and escalation
- Belgique
- VAT exemption, franchise regime, and receiving Peppol invoices
- Belgique
- Credit notes on Peppol — structured corrections
- Belgique
Invoicing
Document concepts: invoice, credit note, quote.
- Invoice, credit note, and quote — Belgian practice
- Belgique
- Mandatory legal mentions on Belgian invoices
- Belgique
- Belgian VAT regimes and invoicing — standard, reverse charge, exempt, intra-Community
- Belgique
- Structured payment communication (OGM) in Belgium
- Belgique
- Quote to invoice workflow — commercial lifecycle