BR-CL-22:Any currency code MUST be coded using ISO code list 4217 alpha-3.
Fix: A Tax Exemption Reason Code is not a valid CEF VATEX code. VATEX codes explain why VAT is not charged (e.g., VATEX-EU-AE for reverse charge). Upload your invoice to fix this automatically.
A Tax Exemption Reason Code is not a valid CEF VATEX code. VATEX codes explain why VAT is not charged (e.g., VATEX-EU-AE for reverse charge).
Engine Classification
Normalize document currency code to valid ISO 4217 alpha-3 code
Confidence: 85% · Applied automatically in pipeline
What is BR-CL-22?
BR-CL-22 is a fatal validation rule defined in the EN 16931 specification. It validates the DocumentCurrencyCode element in the UBL invoice XML.
When this rule fires, the invoice is rejected by Peppol access points and never reaches the buyer.
Target path: /Invoice/cbc:DocumentCurrencyCode
Why This Error Matters
Invoice rejected. Tax exemption must be properly coded for compliance verification.
BR-CL-22 is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.
Invoice Navigator can automatically correct this error in your pipeline. The fix is applied with full audit evidence, so your compliance trail remains intact.
Validator Behavior
- ·Causes invoice rejection
- ·Error returned: BR-CL-22
- ·Specification: EN 16931
How to Fix It
Find the incorrectly formatted value
Check cbc:DocumentCurrencyCode at /Invoice/cbc:DocumentCurrencyCode. The current value does not match the required format.
Apply the correct format
A Tax Exemption Reason Code is not a valid CEF VATEX code. VATEX codes explain why VAT is not charged (e.g., VATEX-EU-AE for reverse charge).
Update your export settings
If this occurs consistently, check your invoicing software's locale and format settings for XML export. Re-validate to confirm BR-CL-22 is resolved.
Before / After
<Invoice> <!-- Issue: Any currency code MUST be coded using ISO code list 4217 alp --> </Invoice>
<Invoice> <!-- Issue resolved per EN 16931 --> </Invoice>
Technical Reference
/Invoice/cbc:DocumentCurrencyCodeCommon Causes
- ·VAT exemption reason code not from CEF VATEX list
- ·Custom exemption code used instead of VATEX standard
- ·TaxExemptionReasonCode uses national code not EU code
- ·Exemption reason stored as text not VATEX code
- ·Legacy exemption type not mapped to VATEX list
Seeing this in production? The API handles BR-CL-22 automatically. See the fix response →
Frequently Asked Questions
A Tax Exemption Reason Code is not a valid CEF VATEX code. VATEX codes explain why VAT is not charged (e.g., VATEX-EU-AE for reverse charge).
A Tax Exemption Reason Code is not a valid CEF VATEX code. VATEX codes explain why VAT is not charged (e.g., VATEX-EU-AE for reverse charge). You can also use Invoice Navigator's compliance engine to correct this automatically in your pipeline.
Yes, BR-CL-22 is a critical error that will cause invoice rejection. It must be fixed before submission.
Many instances of BR-CL-22 can be automatically corrected using Invoice Navigator's compliance engine. The fix is applied in your pipeline with full audit evidence.
Related Content
Last updated: 14 April 2026
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