Reference
Markdown exportBR-27 Item net price must not be negative
The Item net price (BT-146) shall not be negative; a discounted line still uses a non-negative net price.
Problem Description
The Item net price (BT-146) shall not be negative; a discounted line still uses a non-negative net price.
ERROR
XRechnung 3.0
Context and Significance
This rule comes from the EN16931 core semantic model enforced by the KoSIT XRechnung 3.0.2 Schematron, ensuring invoices carry the mandatory data needed for automated processing.
Solution
Set cac:Price/cbc:PriceAmount to a value of zero or greater. Model reductions as an invoice line allowance (BG-27) instead of a negative price.
Quick actions
Valid Examples
Use these points as the practical checks for this section.
- BT-146 = 12.50 — non-negative net price accepted
Invalid Examples
Use these points as the practical checks for this section.
- BT-146 = -5.00 — negative net price rejected
Code Examples
Valid XML
<cac:Price>
<cbc:PriceAmount currencyID="EUR">12.50</cbc:PriceAmount>
</cac:Price>Invalid XML
<cac:Price>
<cbc:PriceAmount currencyID="EUR">-5.00</cbc:PriceAmount>
</cac:Price>