BR-DE-2: Seller contact group is required

What the rule says

[BR-DE-2] Die Gruppe "SELLER CONTACT" (BG-6) muss übermittelt werden.

Official xrechnung source, version 2.6.0 / XRechnung 3.0.2. Apache 2.0; sources, licences and notices. Syntax and business checks are separate; this is not certification.

Seller contact group is required

Seller contact group is required. The controlled example changes the specific field or group named by this rule. Remove only /*/cac:AccountingSupplierParty/cac:Party/cac:Contact.

Business terms: No explicit BT number in the official rule text; use the XML context below.

Restore the seller Contact group with contact name, telephone and email.

Reproduced failure and correction

Tested on 2 November 2026 with the production SaxonC-HE 13.1 / saxonche 13.1.1 engine, xrechnung mode, UBL. The XSD passes; the report then contains BR-DE-2. Restoring this fragment makes the complete original invoice pass the selected checks.

[BR-DE-2] Die Gruppe "SELLER CONTACT" (BG-6) muss übermittelt werden.

Additional triggered rules: 0. None. Counts include distinct error and warning codes; the target code is excluded.

Precise mutated XPath: /*/cac:AccountingSupplierParty/cac:Party/cac:Contact.

Before: triggers this rule

<cac:Party xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ubl="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2">
            <cbc:EndpointID schemeID="EM">seller@email.de</cbc:EndpointID>
            <cac:PartyName>
                <cbc:Name>[Seller trading name]</cbc:Name>
            </cac:PartyName>
            <cac:PostalAddress>
                <cbc:StreetName>[Seller address line 1]</cbc:StreetName>
                <cbc:CityName>[Seller city]</cbc:CityName>
                <cbc:PostalZone>12345</cbc:PostalZone>
                <cac:Country>
                    <cbc:IdentificationCode>DE</cbc:IdentificationCode>
                </cac:Country>
            </cac:PostalAddress>
            <cac:PartyTaxScheme>
                <cbc:CompanyID>DE 123456789</cbc:CompanyID>
                <cac:TaxScheme>
                    <cbc:ID>VAT</cbc:ID>
                </cac:TaxScheme>
            </cac:PartyTaxScheme>
            <cac:PartyLegalEntity>
                <cbc:RegistrationName>[Seller name]</cbc:RegistrationName>
                <cbc:CompanyID>[HRA-Eintrag]</cbc:CompanyID>
                <cbc:CompanyLegalForm>123/456/7890, HRA-Eintrag in [&#8230;]</cbc:CompanyLegalForm>
            </cac:PartyLegalEntity>
            </cac:Party>
    

After: passes

<cac:Party xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:ubl="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2">
            <cbc:EndpointID schemeID="EM">seller@email.de</cbc:EndpointID>
            <cac:PartyName>
                <cbc:Name>[Seller trading name]</cbc:Name>
            </cac:PartyName>
            <cac:PostalAddress>
                <cbc:StreetName>[Seller address line 1]</cbc:StreetName>
                <cbc:CityName>[Seller city]</cbc:CityName>
                <cbc:PostalZone>12345</cbc:PostalZone>
                <cac:Country>
                    <cbc:IdentificationCode>DE</cbc:IdentificationCode>
                </cac:Country>
            </cac:PostalAddress>
            <cac:PartyTaxScheme>
                <cbc:CompanyID>DE 123456789</cbc:CompanyID>
                <cac:TaxScheme>
                    <cbc:ID>VAT</cbc:ID>
                </cac:TaxScheme>
            </cac:PartyTaxScheme>
            <cac:PartyLegalEntity>
                <cbc:RegistrationName>[Seller name]</cbc:RegistrationName>
                <cbc:CompanyID>[HRA-Eintrag]</cbc:CompanyID>
                <cbc:CompanyLegalForm>123/456/7890, HRA-Eintrag in [&#8230;]</cbc:CompanyLegalForm>
            </cac:PartyLegalEntity>
            <cac:Contact>
                <cbc:Name>nicht vorhanden</cbc:Name>
                <cbc:Telephone>+49 1234-5678</cbc:Telephone>
                <cbc:ElectronicMail>seller@email.de</cbc:ElectronicMail>
            </cac:Contact>
        </cac:Party>
    

The context shown is part of a complete invoice; it is not a standalone invoice. Mutation: remove at /*/cac:AccountingSupplierParty/cac:Party/cac:Contact. The passing baseline is validated with the selected pinned package. UBL examples use a controlled single-line adaptation of the official XRechnung example; the CII example uses the official EN 16931 baseline.

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Repair the source data and exporter, then validate the complete invoice again with the same package. Review every remaining error and warning; a passing rule is not a guarantee of recipient acceptance.

EN 16931 syntax and business checks · XRechnung profile requirements · Pro/Team batch checks.