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BR-DE-2

Missing: seller contact (BG-6)

Validation rule of XRechnung 3.0.2 (KoSIT, Schematron 2.6.0) · Level: Error

What the message means

Missing: seller contact (BG-6).

What the issuer needs to change

Add the seller contact.

Fields concerned

BG-6 seller contact

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Origin

Rule set: XRechnung 3.0.2 (KoSIT, Schematron 2.6.0)
Syntax: CII, UBL
Level: Error

Original rule text

Die Gruppe "SELLER CONTACT" (BG-6) muss übermittelt werden.

Source: KoSIT, XRechnung Schematron 2.6.0, Apache License 2.0

Technical details for IT

UBL

Context: /ubl:Invoice/cac:AccountingSupplierParty | /cn:CreditNote/cac:AccountingSupplierParty
Test: not(cac:Party/cac:Contact)

CII

Context: /rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:SellerTradeParty
Test: not(ram:DefinedTradeContact)

Related rules

BR-DE-1Payment instructions are missing (BG-16): the invoice does not say how to pay
BR-DE-3Missing: seller city (BT-37)
BR-DE-4Missing: seller post code (BT-38)
BR-DE-5Missing: seller contact point (BT-41)

All validation rules

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