Tools › SmartFormular E-Rechnung lite › Validation rules › BR-11

BR-11

Missing: buyer country code (BT-55)

Validation rule of EN 16931 (CEN, rule set 1.3.16) · Level: Error

What the message means

Missing: buyer country code (BT-55).

What the issuer needs to change

Add the buyer country code.

Fields concerned

BT-55 buyer country code

Your invoice reports BR-11? Check it with SmartFormular E-Rechnung lite, free to try until 31 December 2026: the tool shows every finding with an explanation, the invoice in readable form and a GiroCode to pay – in your browser, no upload.

Check an e-invoice

Origin

Rule set: EN 16931 (CEN, rule set 1.3.16)
Syntax: CII, UBL
Level: Error

Original rule text

The Buyer postal address shall contain a Buyer country code (BT-55).

Source: CEN/TC 434, EN 16931 validation rules 1.3.16, European Union Public Licence 1.2

Technical details for IT

UBL

Context: cac:AccountingCustomerParty/cac:Party/cac:PostalAddress
Test: not(normalize-space(cac:Country/cbc:IdentificationCode) != '')

CII

Context: /rsm:CrossIndustryInvoice
Test: not(normalize-space(rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:BuyerTradeParty/ram:PostalTradeAddress/ram:CountryID) != '')

Related rules

BR-08Missing: seller postal address (BG-5)
BR-09Missing: seller country code (BT-40)
BR-10Missing: buyer postal address (BG-8)
BR-12Missing: sum of invoice line net amounts (BT-106)
BR-13Missing: invoice total amount without VAT (BT-109)
BR-14Missing: invoice total amount with VAT (BT-112)

All validation rules

Technical explanation by robin.vision, not tax or legal advice. Rules as of 31 August 2026 (KoSIT validator configuration).