robin.vision Appointment

SmartFormular

Tools › SmartFormular E-Rechnung lite › Validation rules › BR-56

BR-56

Missing for the tax representative: seller tax representative VAT identifier (BT-63)

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

What the message means

Missing for the tax representative: seller tax representative VAT identifier (BT-63).

What the issuer needs to change

Add the seller tax representative VAT identifier.

Fields concerned

Your invoice reports BR-56? 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

Each Seller tax representative party (BG-11) shall have a Seller tax representative VAT identifier (BT-63).

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

Technical details for IT

UBL

Context: cac:TaxRepresentativeParty
Test: not(exists(cac:PartyTaxScheme[cac:TaxScheme/(normalize-space(upper-case(cbc:ID)) = 'VAT')]/cbc:CompanyID))

CII

Context: //ram:SellerTaxRepresentativeTradeParty
Test: not(normalize-space(ram:SpecifiedTaxRegistration/ram:ID[@schemeID='VA']) != '')

Related rules

All validation rules

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