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E-invoice / Rules / BR-DE-28

E-invoice rule XRechnung 3.x

BR-DE-28: The seller e-mail address (BT-43)

The seller e-mail address (BT-43) should contain exactly one @, at least two characters on each side of it, and must not start or end with a dot.

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Original wording of the rule

[BR-DE-28] In BT-43 soll genau ein @-Zeichen enthalten sein, welches nicht von einem Leerzeichen, einem Punkt, aber mindestens zwei Zeichen auf beiden Seiten flankiert werden soll. Ein Punkt sollte nicht am Anfang oder am Ende stehen.

Source of the quotation: XRechnung 3.x (itplr-kosit/xrechnung-schematron, Apache 2.0 licence)

How to fix it

  1. Open the XML file and find the element cac:Contact/cbc:ElectronicMail.
  2. Add or correct the element the way the wording of the rule above asks for.
  3. Save the file and check it again with our checker. It runs in your browser, the file is never uploaded.

A correct UBL 2.1 snippet

<cac:Contact
    xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2"
    xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2">
  <cbc:ElectronicMail>fakturacia@example.org</cbc:ElectronicMail>
</cac:Contact>

The snippet is only the part of the document the rule is about. Put it in the right place inside your invoice; the namespaces are written here only so that the snippet reads on its own.

When it is reported

Profile: XRechnung 3.x

How we rate it: warning

Where we point in the file: /Invoice/cac:AccountingSupplierParty/cac:Party/cac:Contact/cbc:ElectronicMail

Related rules

Our check is not complete: we do not check the XSD schema and we do not implement every rule, and a file that passes says nothing about whether the buyer or the Peppol network will accept it. Licences for the quoted wordings are listed in our sources.