PEPPOL-EN16931-R046 - Net price must equal gross price minus the price discount
When a gross price (BT-148) is stated for an item, the net price (BT-146) must be exactly the gross price minus the price discount (BT-147). The three values must be consistent with each other.
PEPPOL-EN16931-R046 - Net price must equal gross price minus the price discount
When a gross price (BT-148) is stated for an item, the net price (BT-146) must be exactly the gross price minus the price discount (BT-147). The three values must be consistent with each other. This is a Peppol BIS Billing 3.0 rule. It applies on top of the EN 16931 core standard, on invoices exchanged over the Peppol network.
What this rule checks
When a gross price (BT-148) is stated for an item, the net price (BT-146) must be exactly the gross price minus the price discount (BT-147). The three values must be consistent with each other.
How to fix it
Recompute cac:Price/cbc:PriceAmount from cbc:BaseAmount and the cac:AllowanceCharge/cbc:Amount of the price.
Validate against this rule
This rule is part of EN 16931. Check your invoice with the validator that matches your format:
Related rules
Source: OpenPeppol BIS Billing 3.0 · Last verified: 2026-07-10
All validation rules