EN16931 1.3.16 · UBL / CII · Severity: ERROR

The Seller postal address shall have a Seller country code (BT-40)

The seller postal address must include an ISO 3166-1 alpha-2 country code (BT-40).

Rule ID & Severity
BR-09 · ERROR
Standard & Scope
EN16931 1.3.16 · UBL / CII
XPath Condition
exists(cac:AccountingSupplierParty/cac:Party/cac:PostalAddress/cac:Country/cbc:IdentificationCode)
Target XML Path
cac:AccountingSupplierParty/cac:Party/cac:PostalAddress/cac:Country/cbc:IdentificationCode

Find the source field

cac:AccountingSupplierParty/cac:Party/cac:PostalAddress/cac:Country/cbc:IdentificationCode

Match namespace URI and element name, not a particular prefix spelling. The validator reports the full expanded-name source path when the published rule supplies a location.

Common causes

Invalid and corrected fragments

<cac:PostalAddress><cbc:CityName>Berlin</cbc:CityName></cac:PostalAddress>
<cac:PostalAddress><cbc:CityName>Berlin</cbc:CityName><cac:Country><cbc:IdentificationCode>DE</cbc:IdentificationCode></cac:Country></cac:PostalAddress>

Explicitly export the 2-letter ISO country code in the seller postal address.

Open BR-09 in en16931-validator →

Verify the whole document

These are fragments, not complete invoices. The exact rule is exercised by synthetic mutation tests against the stated package. Correcting one field does not prove conformance; run the full selected validator again. Published messages and severity remain authoritative.

Official BR-09 source ↗

Explanation record: 2026-10-14 · Local WebAssembly / SaxonJS validation. No invoice-derived report is published as a search page.

EN16931 / Validate
No invoice uploads or storage
No invoice uploads or storage

Validate

Choose files · EN16931

XML · PDF
5 MB XML · 20 MB PDF · 500 documents per batch

Related tools and rules