erroren16931

BR-CO-16:Payable amount calculation error

PayableAmount must equal TaxInclusiveAmount - PrepaidAmount + PayableRoundingAmount.

Fix this in your source system

MANUAL

Payable amount calculation affects payment processing and reconciliation. Must be verified against payment terms and prepayments.

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

Why This Error Matters

Invoice rejected. The amount due directly affects payment - errors cause over/underpayment.

How to Fix It

1

Start with tax inclusive

TaxInclusiveAmount value

2

Subtract prepaid

Minus PrepaidAmount if any

3

Add rounding

Plus PayableRoundingAmount if used

4

Set result

Final PayableAmount

Before & After Fix(BR-CO-16)

Before (Invalid)
TaxInclusive: 1210, Prepaid: 100, but PayableAmount shows 1210 (should be 1110)
After (Valid)
TaxInclusive: 1210, Prepaid: 100, PayableAmount = 1110

Compare the invalid XML structure with the corrected version. The fix ensures compliance with validation rules.

Code Example

<cac:LegalMonetaryTotal>
  <cbc:TaxInclusiveAmount currencyID="EUR">1210.00</cbc:TaxInclusiveAmount>
  <cbc:PrepaidAmount currencyID="EUR">200.00</cbc:PrepaidAmount>
  <cbc:PayableAmount currencyID="EUR">1010.00</cbc:PayableAmount>
  <!-- 1210 - 200 = 1010 ✓ -->
</cac:LegalMonetaryTotal>

Technical Details

XPath: /Invoice/cac:LegalMonetaryTotal/cbc:PayableAmount

Common Causes

  • Amount due calculation incorrect
  • BT-115 does not equal BT-112 - BT-113 + BT-114
  • Prepaid amount not deducted from total
  • Rounding adjustment not applied correctly
  • Manual payable amount override broke formula

Commonly Seen In

All invoicing software

Frequently Asked Questions

PayableAmount must equal TaxInclusiveAmount - PrepaidAmount + PayableRoundingAmount.
Verify PayableAmount calculation. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-CO-16 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-CO-16 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including payable amount calculation error.
BR-CO-16 is commonly seen in exports from All invoicing software. These software packages sometimes generate invoices that need adjustment to meet full compliance standards.

See Also

EN 16931 Validator

Check your invoice now

Related Errors

BR-13

Invoice total without VAT required

BR-CO-15

Tax exclusive amount calculation error

Last updated: 18 January 2026

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