BR-DE-7
Validation message
Das Element "Seller contact email address" (BT-43) muss übermittelt werden.
Explanation
XRechnung requires an email address for the seller contact point (BT-43). This is the primary channel for invoice-related communication.
How to fix
Add the contact email address (BT-43).
Applies to
- XRechnung (UBL)
- XRechnung (CII)