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BR-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>

Affected Fields

Validation Tools