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BR-CO-10 · EN16931 · UBL · CII · XRechnung · Peppol

EN16931: line net amount sum is inconsistent

The calculated invoice line net total differs from the documented line total.

EN16931Last professional review: 2026-07-05

Meaning

The calculated invoice line net total differs from the documented line total.

Typical cause

Quantity, price, allowance or rounding values were calculated differently.

Affected fields / XML paths

BT-106BT-131/cbc:LineExtensionAmount

Invalid example

LineExtensionAmount sum = 99.99; TaxExclusiveAmount = 100.00

Corrected example

LineExtensionAmount sum = 100.00; TaxExclusiveAmount = 100.00

Remediation steps

  1. Recalculate every line.
  2. Use one line-rounding policy.
  3. Derive BT-106 from approved lines.