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E-Invoice Validator

BR-CL-04

MistakeUBLCII

What that means

The currency code (BT-5) is not a valid ISO 4217 code.

Here's how to fix it

Use three-digit ISO 4217 code, e.g. E.g. EUR.

Official rules text

[BR-CL-04]-Invoice currency code MUST be coded using ISO code list 4217 alpha-3

Rules and regulations

Does this error appear in your invoice?

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Official rule sets up to date: EN 16931 1.3.17 · Peppol BIS 3.0.20 · XRechnung 3.0.2 (KoSIT 2.6.0). Last checked against the sources on 12.10.2026.