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BR-26: Item net price (BT-146) is missing

Official message

[BR-26] Each Invoice line (BG-25) shall contain the Item net price (BT-146).

EN 16931 (CII) · Error · Message language: English · Version: xrechnung-3.0.2-validator-configuration-2026-08-31

[BR-26] Each Invoice line (BG-25) shall contain the Item net price (BT-146).

EN 16931 (UBL) · Error · Message language: English · Version: xrechnung-3.0.2-validator-configuration-2026-08-31

[BR-26] Each Invoice line (BG-25) shall contain the Item net price (BT-146).

Factur-X / ZUGFeRD EN 16931 · Error · Message language: English · Version: Factur-X 1.08 / ZUGFeRD 2.4
Severity
Error The invoice is invalid and may be rejected by the recipient.
Applies to
EN 16931 (CII), EN 16931 (UBL), Factur-X / ZUGFeRD EN 16931
Affected fields
BG-25, BT-146

What does this mean?

Every invoice line (BG-25) must contain an item net price (BT-146), i.e. the price per base quantity after deducting price discounts. The element is missing for at least one line.

Typical causes

The generating system writes the line amount (BT-131) only, but no unit price.
Only a gross price (BT-148) was given.

How to fix the error

State the net price for every line; for lump sums with quantity 1 it equals the line amount.
CII: ram:SpecifiedLineTradeAgreement/ram:NetPriceProductTradePrice/ram:ChargeAmount, UBL: cac:InvoiceLine/cac:Price/cbc:PriceAmount.
Generate and validate the invoice again.

In E-Rechnungsfreund

In the invoice form, section "Rechnungspositionen (BG-25)" (invoice lines), fill in the field "Nettopreis (BT-146)" (net price) for every line.

Example

Wrong

<ram:SpecifiedLineTradeAgreement>
  <ram:GrossPriceProductTradePrice>
    <ram:ChargeAmount>100.00</ram:ChargeAmount>
  </ram:GrossPriceProductTradePrice>
</ram:SpecifiedLineTradeAgreement>

Correct

<ram:SpecifiedLineTradeAgreement>
  <ram:GrossPriceProductTradePrice>
    <ram:ChargeAmount>100.00</ram:ChargeAmount>
  </ram:GrossPriceProductTradePrice>
  <ram:NetPriceProductTradePrice>
    <ram:ChargeAmount>100.00</ram:ChargeAmount>
  </ram:NetPriceProductTradePrice>
</ram:SpecifiedLineTradeAgreement>
For developers: test expression per syntax

EN 16931 (CII) (CII)

Context: //ram:IncludedSupplyChainTradeLineItem

(ram:SpecifiedLineTradeAgreement/ram:NetPriceProductTradePrice/ram:ChargeAmount)

EN 16931 (UBL) (UBL)

Context: cac:InvoiceLine | cac:CreditNoteLine

exists(cac:Price/cbc:PriceAmount)

Factur-X / ZUGFeRD EN 16931 (CII)

Technical ID in the source: FX-SCH-A-000205

Context: //ram:IncludedSupplyChainTradeLineItem

(ram:SpecifiedLineTradeAgreement/ram:NetPriceProductTradePrice/ram:ChargeAmount)

Related validation rules

  • BR-01: Specification identifier (BT-24) is missing
  • BR-02: Invoice number (BT-1) is missing
  • BR-03: Invoice issue date (BT-2) is missing
  • BR-04: Invoice type code (BT-3) is missing
  • BR-05: Invoice currency code (BT-5) is missing
  • BR-06: Seller name (BT-27) is missing

Last updated:
Explanation of the validation rule, not legal or tax advice.