Tools › SmartFormular E-Rechnung lite › Validation rules › BR-27
BR-27
An item net price (BT-146) is negative
What the message means
An item net price (BT-146) is negative.
What the issuer needs to change
Give prices as positive values; show credits or deductions as a separate line or as an allowance.
Fields concerned
BT-146item net price
Your invoice reports BR-27? Check it with SmartFormular E-Rechnung lite, free to try until 31 December 2026: the tool shows every finding with an explanation, the invoice in readable form and a GiroCode to pay – in your browser, no upload.
Check an e-invoiceOrigin
- Rule set
- EN 16931 (CEN, rule set 1.3.16)
- Syntax
- CII, UBL
- Level
- Error
Original rule text
The Item net price (BT-146) shall NOT be negative.
Technical details for IT
UBL
Context: cac:InvoiceLine | cac:CreditNoteLine Test: not((cac:Price/cbc:PriceAmount) >= 0)
CII
Context: //ram:IncludedSupplyChainTradeLineItem Test: not((ram:SpecifiedLineTradeAgreement/ram:NetPriceProductTradePrice/ram:ChargeAmount) >= 0)
Related rules
- BR-24In at least one invoice line, this is missing: invoice line net amount (BT-131)
- BR-25In at least one invoice line, this is missing: item name (BT-153)
- BR-26In at least one invoice line, this is missing: item net price (BT-146)
- BR-28An item gross price (BT-148) is negative
- BR-29The invoicing period ends before it starts (BT-73, BT-74)
- BR-30An invoice line period ends before it starts (BT-134, BT-135)