Error code BR-27
A line has a negative price
The item net price (BT-146) must not be negative.
The official rule
“The Item net price (BT-146) shall NOT be negative.”
Official text, in the language the rule set publishes it in.
Fields named: BT-146
Common causes
- A discount or return was entered as a line with a negative price.
How to fix it
- Use a positive price with a negative quantity, or the discount fields.
- For a refund, send a credit note.
Where to fix it in your software
- Lexware Office:
Jede Position muss einen positiven Preis enthalten.
(help page) - Banqup:
For returns or deductions, use a negative quantity with a positive price, or use the discount fields.
(help page)
From each provider's own help page, read on 25 October 2026. Menus can change; we are not linked to these providers.
Wrong vs. right (UBL)
Wrong
<cbc:InvoicedQuantity unitCode="C62">1</cbc:InvoicedQuantity> <cbc:LineExtensionAmount currencyID="EUR">-50.00</cbc:LineExtensionAmount> … <cac:Price> <cbc:PriceAmount currencyID="EUR">-50.00</cbc:PriceAmount> </cac:Price>
Right
<cbc:InvoicedQuantity unitCode="C62">-1</cbc:InvoicedQuantity> <cbc:LineExtensionAmount currencyID="EUR">-50.00</cbc:LineExtensionAmount> … <cac:Price> <cbc:PriceAmount currencyID="EUR">50.00</cbc:PriceAmount> </cac:Price>