BR-27
The Item net price (BT-146) shall NOT be negative.
What does this rule mean?
The item net price (BT-146) is negative.
The item net price must not be negative — deductions belong in an allowance.
- BT-146
- Item net price
Official rule message (standard)
The Item net price (BT-146) shall NOT be negative.
Where the rule applies
Syntax: CII · UBL
The same rule, expressed twice: UBL and CII name the same fields with different paths. Running a CII file against the UBL rules is why you get errors that mean nothing.
UBL
cac:InvoiceLine | cac:CreditNoteLine
CII
//ram:IncludedSupplyChainTradeLineItem
Technical test
The rule passes when this Schematron expression holds true:
(ram:SpecifiedLineTradeAgreement/ram:NetPriceProductTradePrice/ram:ChargeAmount) >= 0How to fix it
A missing or incorrect business entry only you can supply. Add or correct it, then re-check.
Use a non-negative net price; model discounts as an allowance.
Correct the affected entry in your XML, then re-check the invoice. Validation runs locally in your browser — your file never leaves your machine.
Check an e-invoice here
Drop an XML or ZUGFeRD PDF file here. Validation runs locally in your browser against EN 16931 — your file never leaves your machine.