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BR-09:Seller country code is mandatory

The Seller postal address (BG-5) shall contain a Seller country code (BT-40) using ISO 3166-1 alpha-2.

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NEEDS INPUT

Requires user input: Two-letter ISO 3166-1 country code for seller's country. Could potentially derive from country name if present, but safest to request from user.

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Why This Error Matters

Invoice rejected. Country code is mandatory for VAT determination and routing to correct tax authority.

How to Fix It

1

Add PostalAddress

Under AccountingCustomerParty/Party

2

Include country

Country code is minimum requirement

3

Add full address

Include street, city, postal code for completeness

Code Example

<cac:PostalAddress>
  <cbc:StreetName>456 Customer Avenue</cbc:StreetName>
  <cbc:CityName>Berlin</cbc:CityName>
  <cbc:PostalZone>10115</cbc:PostalZone>
  <cac:Country>
    <cbc:IdentificationCode>DE</cbc:IdentificationCode>
  </cac:Country>
</cac:PostalAddress>

Technical Details

XPath: /Invoice/cac:AccountingCustomerParty/cac:Party/cac:PostalAddress

Common Causes

  • Seller address entered without country selection
  • Country stored as full name not ISO 3166-1 alpha-2 code
  • Export template missing IdentificationCode for country
  • Domestic-only system assumed country not needed
  • Country dropdown not filled in company profile

Commonly Seen In

All invoicing software

Frequently Asked Questions

The buyer (customer) party must include a postal address with at least a country code.
Add a postal address for the buyer with country code. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-09 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.
Many instances of BR-09 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including buyer must have postal address.
BR-09 is commonly seen in exports from All invoicing software. These software packages sometimes generate invoices that need adjustment to meet full compliance standards.

Related Errors

BR-07

Invoice must have buyer name

BR-10

Buyer must have postal address

Last updated: 18 January 2026

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