errorEN16931
BR-CL-05:Tax currency code MUST be coded using ISO code list 4217 alpha-3
The Tax Currency Code (BT-6) is not a valid ISO 4217 code. If using a different currency for tax accounting, it must be a valid 3-letter code.
We can fix this automatically
AUTO-FIXAuto-fix: Normalize to valid ISO 4217 code. If unrecoverable, may suggest removing tax currency to use invoice currency for tax.
No manual changes needed
Upload and Fix NowWhy This Error Matters
Invoice rejected. Tax reporting currency must be valid for proper VAT accounting.
Common Causes
- Tax currency code not from ISO 4217
- TaxCurrencyCode contains invalid value
- Currency code format incorrect for tax currency
- Obsolete or fictional currency code used
- TaxCurrencyCode confused with country code
Frequently Asked Questions
The Tax Currency Code (BT-6) is not a valid ISO 4217 code. If using a different currency for tax accounting, it must be a valid 3-letter code.
The Tax Currency Code (BT-6) is not a valid ISO 4217 code. If using a different currency for tax accounting, it must be a valid 3-letter code. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-CL-05 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.
Many instances of BR-CL-05 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues.
See Also
Last updated: 16 January 2026
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