Reference
Markdown exportBR-DE-28 Seller email should be shaped like an email address
XRechnung warns when seller email (BT-43) does not contain exactly one @ sign with valid surrounding characters.
Problem Description
XRechnung warns when seller email (BT-43) does not contain exactly one @ sign with valid surrounding characters.
WARNING
XRechnung 3.0
Context and Significance
A syntactically plausible contact email reduces manual clarification loops with public recipients.
Solution
Use a reachable address such as invoice@example.com and remove spaces, trailing dots, or placeholders.
Quick actions
Valid Examples
Use these points as the practical checks for this section.
- BT-43 = invoice@example.com
Invalid Examples
Use these points as the practical checks for this section.
- BT-43 = invoice@
- BT-43 = invoice.example.com
Technical Details
Affected Fields
BT-43 Seller contact email address