BR-28fatal
How to fix BR-28
The Item gross price (BT-148) shall NOT be negative.
What this rule checks
The gross price (price before any item-level discount) cannot be negative because it represents the original catalogue or list price.
Referenced business terms
This rule references the following EN 16931 business term. Click through for the full definition, the UBL XPath and the cardinality.
How to fix it
Ensure the cbc:BaseAmount value inside cac:InvoiceLine → cac:Price → cac:AllowanceCharge is zero or positive.
Related rules
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