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BR-43:Allowance/charge reason required

Document and line allowances/charges must include a reason.

Fix this in your source system

MANUAL

Allowance/charge reasons affect accounting treatment and tax reporting. The reason must accurately reflect the business purpose.

See the step-by-step instructions below to fix this error manually.

Why This Error Matters

Invoice rejected. Cannot calculate line total without knowing charge amount.

How to Fix It

1

Add reason code

UNCL5189 for allowances, UNCL7161 for charges

2

Add reason text

Clear description of discount/charge

3

Common codes

95=discount, 100=special agreement, 64=delivery charge

Code Example

<cac:AllowanceCharge>
  <cbc:ChargeIndicator>false</cbc:ChargeIndicator>
  <cbc:AllowanceChargeReasonCode>95</cbc:AllowanceChargeReasonCode>
  <cbc:AllowanceChargeReason>Volume discount</cbc:AllowanceChargeReason>
  <cbc:Amount currencyID="EUR">100.00</cbc:Amount>
</cac:AllowanceCharge>

Technical Details

XPath: //cac:AllowanceCharge/cbc:AllowanceChargeReason

Common Causes

  • Line charge added without amount value
  • AllowanceCharge/Amount not mapped for line charges
  • Percentage line surcharge without base amount
  • Line charge template missing amount mapping
  • Null amount for line-level surcharge

Commonly Seen In

All invoicing software

Frequently Asked Questions

Document and line allowances/charges must include a reason.
Add reason text and code to allowances/charges. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-43 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted by the recipient's system.
Many instances of BR-43 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including allowance/charge reason required.
BR-43 is commonly seen in exports from All invoicing software. These software packages sometimes generate invoices that need adjustment to meet full compliance standards.

Related Errors

BR-CO-11

Line amount calculation error

PEPPOL-EN16931-R040

Allowance must have ChargeIndicator false

Last updated: 18 January 2026

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