EN16931 1.3.16 · UBL / CII · Severity: ERROR
An Invoice shall have a Seller postal address (BG-5)
Every invoice must include the seller’s postal address group (BG-5).
- Rule ID & Severity
BR-08· ERROR- Standard & Scope
- EN16931 1.3.16 · UBL / CII
- XPath Condition
exists(cac:AccountingSupplierParty/cac:Party/cac:PostalAddress)- Target XML Path
cac:AccountingSupplierParty/cac:Party/cac:PostalAddress
Find the source field
cac:AccountingSupplierParty/cac:Party/cac:PostalAddress
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
- Seller master data was incomplete when exporting the invoice.
Invalid and corrected fragments
<!-- Seller PostalAddress missing -->
<cac:PostalAddress><cbc:StreetName>Hauptstr. 1</cbc:StreetName><cbc:CityName>Berlin</cbc:CityName><cbc:PostalZone>10115</cbc:PostalZone><cac:Country><cbc:IdentificationCode>DE</cbc:IdentificationCode></cac:Country></cac:PostalAddress>
Include cac:PostalAddress (UBL) or ram:PostalTradeAddress (CII) for the seller party.
Open BR-08 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.
Explanation record: 2026-10-14 · Local WebAssembly / SaxonJS validation. No invoice-derived report is published as a search page.