Invoicing in Belgium: mentions, numbering, advances, and credit notes

Roles of quote, invoice, and credit note for Belgian SMEs: when to issue each, VAT impact, and Peppol relevance (quotes stay off the network).

Belgian continuous invoice numbering, separate credit-note sequences, Peppol immutability after send, and the gaps that break auditors.

Plain checklist of what a Belgian VAT invoice must show: parties, VAT numbers, dates, lines, tax breakdown, totals, and continuous numbering.

Belgian commercial lifecycle from quote acceptance through delivery to Peppol invoice: gates, numbering, advances, and corrections without redefining document types.

A purchase-order number on an invoice is a buyer reference. It is not Peppol Ordering or a BIS Order document. How to show PO / bestelbon on Belgian invoices and when public buyers ask for more.

In plain Belgian terms: what your invoice must say for standard VAT, reverse charge, exemption, or intra-Community supply, so the buyer can book it without guessing.

Belgian co-contractant (medecontractant) reverse charge in plain terms: the wording your invoice needs, what your software must mark, and the mistakes that confuse the buyer.

When to issue a Belgian advance or deposit invoice, how to settle it on the final invoice, and how credit notes interact once the advance has already gone out on Peppol.

What Belgian structured payment references (+++/+++/+++) are, when to put them on invoices, and how they close the reconciliation loop with Peppol structured invoices.

Run Belgian subscriptions and retainers on Peppol: fresh invoice numbers each cycle, re-check participant lookup drift, and use credit notes for plan changes.

When Belgian associations (ASBL/VZW) must invoice, how VAT posture shapes the document, and when Peppol matters for B2B supplies and supplier reception.