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BR-18

Missing: seller tax representative name (BT-62)

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

What the message means

Missing: seller tax representative name (BT-62).

What the issuer needs to change

Add the seller tax representative name.

Fields concerned

BG-4 seller
BG-11 seller tax representative party
BT-62 seller tax representative name

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Origin

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

Original rule text

The Seller tax representative name (BT-62) shall be provided in the Invoice, if the Seller (BG-4) has a Seller tax representative party (BG-11)

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(normalize-space(cac:PartyName/cbc:Name) != '')

CII

Context: //ram:SellerTaxRepresentativeTradeParty
Test: not(normalize-space(ram:Name) != '')

Related rules

BR-15Missing: amount due for payment (BT-115)
BR-16The invoice has no invoice line at all (BG-25)
BR-17A different payee is given (BG-10) but without a name (BT-59)
BR-19Missing: seller tax representative postal address (BG-12)
BR-20Missing: tax representative country code (BT-69)
BR-21In at least one invoice line, this is missing: invoice line identifier (BT-126)

All validation rules

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