BR-CL-15:Country codes in an invoice MUST be coded using ISO code list 3166-1
Fix: Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (BR-CL-15). Upload your invoice to fix this automatically.
A country code in the invoice is not a valid ISO 3166-1 alpha-2 code. All country fields must use 2-letter codes.
Engine Classification
Normalize country codes to valid ISO 3166-1 alpha-2 codes
Confidence: 90% · Applied automatically in pipeline
What is BR-CL-15?
BR-CL-15 is a fatal validation rule defined in the EN 16931 specification. It validates the IdentificationCode 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: //cbc:IdentificationCode
Why This Error Matters
Invoice rejected. Proper country codes are required for compliance and routing.
BR-CL-15 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-15
- ·Specification: EN 16931
How to Fix It
Find the incorrectly formatted value
Check cbc:IdentificationCode at //cbc:IdentificationCode. The current value does not match the required format.
Apply the correct format
Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (BR-CL-15).
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-15 is resolved.
Before / After
<Invoice> <!-- Issue: Item origin country codes MUST be coded using ISO code list --> </Invoice>
<Invoice> <!-- Issue resolved per EN 16931 --> </Invoice>
Technical Reference
//cbc:IdentificationCodeCommon Causes
- ·Country code not from ISO 3166-1 alpha-2 list
- ·Full country name used instead of 2-letter code
- ·Invalid or obsolete country code in address
- ·Country code lowercase instead of uppercase
- ·3-letter ISO code used instead of 2-letter
Seeing this in production? The API handles BR-CL-15 automatically. See the fix response →
Frequently Asked Questions
A country code in the invoice is not a valid ISO 3166-1 alpha-2 code. All country fields must use 2-letter codes.
Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (BR-CL-15). You can also use Invoice Navigator's compliance engine to correct this automatically in your pipeline.
Yes, BR-CL-15 is a critical error that will cause invoice rejection. It must be fixed before submission.
Many instances of BR-CL-15 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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