Peppol8 min read
Peppol BIS validation: Schematron and rejection reports
Peppol BIS validation explained: the Schematron rules, the difference between a fatal error and a warning, and how to read a rejection report.
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Peppol
Peppol8 min read
Attachments on a Peppol e-invoice explained
Attaching a PDF to a Peppol e-invoice: where the attachment sits in the UBL file, the allowed formats, and why it does not replace the structured invoice.
Peppol9 min read
The Peppol five-corner model explained
The Peppol five-corner model and continuous transaction controls (CTC): what the fifth corner adds to the four-corner model and why ViDA is driving it.
Peppol8 min read
Hermes Peppol: the service is gone, what to do
The Hermes Peppol service, which delivered invoices as PDFs by email, shut down at the end of 2025. Here is how to receive your Peppol invoices in 2026.
Peppol8 min read
VATEX codes: VAT exemption on the e-invoice
VATEX codes explained: what this VAT exemption reason code does on an e-invoice, when it becomes mandatory and how it ties into EN 16931.
Peppol8 min read
The Peppol SBDH explained: the envelope around your documents
The Peppol SBDH decoded: what the Standard Business Document Header envelope contains, the identifiers it carries and its role in routing.
Peppol9 min read
The AS4 protocol: how Peppol transports your documents
The AS4 protocol explained: how Peppol moves your invoices between access points, which OASIS standards it builds on and what it guarantees on every send.
Peppol9 min read
Peppol MLR: the Message Level Response explained
The Peppol MLR (Message Level Response) decoded: what this acknowledgement does, its status codes, and how it differs from a transport acknowledgement.
Peppol7 min read
The Peppol Authority in Belgium: the role of FPS BOSA
The Peppol Authority in Belgium: what a Peppol Authority is, the role of FPS BOSA, its link with OpenPeppol, and what it changes for your invoices.
Peppol8 min read
Peppol PINT: the international invoicing model
Peppol PINT explained: OpenPeppol's international invoicing model, its three content layers, and how it relates to Peppol BIS Billing 3.0 and EN 16931.
Peppol8 min read
Peppol documents: the electronic order and catalogue
Beyond the invoice, Peppol documents cover the order, the catalogue and the despatch advice. What they do, how they connect, and what is actually mandatory.
Peppol8 min read
The Peppol Directory: check a business on Peppol
The Peppol Directory explained: what this public directory is for, how to check whether a business is connected to Peppol, and what an absence really means.
Peppol8 min read
SMP and SML: the Peppol network directory explained
SMP and SML, the Peppol network directory explained: what these two services do, how they locate a recipient and what it changes for you.
Peppol8 min read
Peppol access point: what it is for
The Peppol access point explained: its real role on the network, its place in the four-corner model, your Belgian identifier and how you connect through it.
Peppol8 min read
The Peppol four-corner model explained simply
The Peppol four-corner model decoded: the role of each corner, how an invoice finds its recipient and what this design changes for you.
Peppol8 min read
Peppol BIS Billing 3.0: what the format contains
Peppol BIS Billing 3.0 decoded: what this invoice profile really requires, how it relates to EN 16931 and UBL 2.1, and what it changes for your invoices.
Peppol7 min read
Belgium Peppol mandate: the B2B obligation from 1 January 2026
Belgium Peppol mandate explained: the law of 6 February 2024, who is in scope, what is excluded and the Peppol BIS format required for B2B invoices.
Peppol9 min read
Connecting to Peppol: the access point explained
Connecting to Peppol: the four-corner model, what a Peppol access point does, your Belgian participant ID, and the test send that confirms the connection.
Peppol2 min read
Understanding the Peppol network in 5 minutes
The Peppol network explained simply: its four-corner model, the role of access points, and what it concretely changes for your invoices.