errorEN 16931

BR-08:Seller must have postal address

An Invoice shall contain the Seller postal address (BG-5). At minimum, the country code is required.

Severity
Fatal
Rule set
EN 16931
Country
All EU
Fix type
INPUT REQUIRED
Category
party_info

Engine Classification

Business data required · Explicit input workflow · No assumptions made

Required input: Seller Country

What is BR-08?

BR-08 is a fatal validation rule defined in the EN 16931 specification. It validates the IdentificationCode element under PostalAddress > Country in the UBL invoice XML.

When this rule fires, the invoice is non-compliant and will be rejected by Peppol access points and national validation services. The sending system receives a rejection response and the invoice does not reach the buyer.

Target path: XPath: /Invoice/cac:AccountingSupplierParty/cac:Party/cac:PostalAddress/cac:Country/cbc:IdentificationCode

Why This Error Matters

Invoice rejected. Seller address is required for tax compliance, legal validity, and correspondence.

BR-08 is a hard failure. Invoices that trigger this rule are rejected at the access point and never reach the recipient. In Peppol networks, this means your sending system receives an MLR (Message Level Response) with a rejection status. The invoice must be corrected and re-sent, adding delay to your payment cycle.

Validator Behavior

  • ·Causes invoice rejection
  • ·Error returned: BR-08
  • ·Specification: EN 16931

How to Fix It

1.

Use ISO 3166-1 alpha-2

Examples: DE, FR, NL, BE, IT

2.

Add Country element

Create cac:Country with cbc:IdentificationCode

3.

Uppercase only

Country codes must be uppercase

Before / After

Failing XML
<cac:PostalAddress></cac:PostalAddress>
Corrected XML
<cac:PostalAddress><cac:Country><cbc:IdentificationCode>NL</cbc:IdentificationCode></cac:Country></cac:PostalAddress>

Technical Reference

XPathXPath: /Invoice/cac:AccountingSupplierParty/cac:Party/cac:PostalAddress/cac:Country/cbc:IdentificationCode
SpecEN 16931
StrategyRequires user to provide seller country code

Code Example

<cac:Country>
  <cbc:IdentificationCode>DE</cbc:IdentificationCode>
</cac:Country>

Common Causes

  • ·Company address not fully configured in system settings
  • ·Seller address fields not mapped in export template
  • ·Partial address data (missing street/city) causing failure
  • ·Multi-location business didn't specify billing address
  • ·Address stored in single field not parsed to components

Seeing this in production? The API handles BR-08 automatically. See the fix response →

Commonly Seen In

All invoicing software

Frequently Asked Questions

The seller postal address must include a country identification code using ISO 3166-1 alpha-2.

This requires user input to resolve. Provide the correct value for `cbc:IdentificationCode`. Invoice Navigator detects this error and prompts for the required business data before applying a safe fix.

Yes, BR-08 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted by the recipient's system.

BR-08 requires specific business data to resolve. Invoice Navigator detects the error and guides you through providing the needed information, then applies the fix with full audit documentation.

BR-08 is commonly seen in exports from All invoicing software. These software packages sometimes generate invoices that need adjustment to meet full compliance standards.

Related Content

Last updated: 3 March 2026

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Resolve BR-08 with Guided Input

The compliance engine detects this error and prompts for the required business data before applying a safe, auditable fix.