Belgium — Peppol BIS 3.0 / EN 16931

Belgian B2B flows ride Peppol BIS 3.0 at the EN 16931 profile. The gate checks the UBL body, the VAT identifiers and the totals before the invoice leaves.

VAT identifier formats and checksums (BE mod 97) checked offline.
EN 16931 core rules for lines, VAT breakdown and totals.
Emits UBL 2.1 with the Peppol BIS 3.0 ProfileID.

1 · Target and document

Paste the canonical invoice model (JSON). The gate runs locally in this page — the same deterministic engine the agent tools call.

Destination formatTarget country rule set

Canonical invoice model (JSON)

|invoice.json

CLIENT-SIDE ONLY • ZERO EGRESS

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