BT-43: Seller Contact Email
Email address of the seller’s contact point for invoice queries.
Technical Specification
Mandatory in XRechnung profile (rule BR-DE-02)
Semantic data format according to European Standard EN 16931-1
What does BT-43 mean?
The seller contact email address (BT-43) enables swift communication regarding invoice questions. In the German XRechnung profile, rule BR-DE-02 makes BT-43 strictly mandatory.
XML Syntax & Code Example
<cac:Contact>
<cbc:Name>Buchhaltung</cbc:Name>
<cbc:Telephone>+49 30 123456</cbc:Telephone>
<cbc:ElectronicMail>rechnung@musterfirma.de</cbc:ElectronicMail>
</cac:Contact>Business Rules & Schematron Checks
In XRechnung, the seller contact point must have an email address (BT-43) or telephone number.
Check BT-43 in your invoice
Use the XML paths above to locate BT-43. A snippet illustrates this field; it is not a complete invoice. After correcting a value in the source application, export and check the entire file again.
Official specifications and rule sets
Requirements depend on the invoice profile and version. Consult the matching specification for mandatory fields, code lists and rules; Peppol-specific requirements do not automatically apply to every ZUGFeRD invoice.
Related Business Terms (BTs)
Create compliant E-Invoices easily
Create XRechnung and ZUGFeRD invoices in Billance and check the exported file locally. Use this guide to understand BT-43 and review your invoice details before sending.