BR-DE-28 The seller contact email address (BT-43) must contain exactly one "@", flanked by at least two characters on each side and by neither a space nor a dot, and must not begin or end with a dot
The seller contact email address (BT-43) must contain exactly one "@", flanked by at least two characters on each side and by neither a space nor a dot, and must not begin or end with a dot. "Buchhaltung <rechnungen@acme.example>" does not satisfy that shape.
This rule is implemented and its error payload below is real, but the long-form write-up — normative text, worked example, divergence note — is not written yet. Everything the library knows about this rule is on this page. Ask and we will prioritise it.
- Business term
BT-43- Severity
warning
What the library returns
The exact object in result.errors when this rule fires.
Generated by running @attestwire/en16931, not transcribed:
{
"rule": "BR-DE-28",
"field": "BT-43",
"severity": "warning",
"message": "The seller contact email address (BT-43) must contain exactly one \"@\", flanked by at least two characters on each side and by neither a space nor a dot, and must not begin or end with a dot. \"Buchhaltung <rechnungen@acme.example>\" does not satisfy that shape.",
"fix": "Supply a single, plain email address — no display name, no angle brackets, no comma-separated list.",
"example": "\"email\": \"rechnungen@example.de\"",
"xpath": "/ubl:Invoice/cac:AccountingSupplierParty/cac:Party/cac:Contact/cbc:ElectronicMail",
"docsUrl": "https://attestwire.com/rules/BR-DE-28"
}
xpath locates the element in the generated UBL document,
which is where a KoSIT or Peppol validator will report the same problem.
A passing value
"email": "rechnungen@example.de"The fix
Supply a single, plain email address — no display name, no angle brackets, no comma-separated list.