Reference

BR-63 Buyer electronic address must have a scheme identifier

The Buyer electronic address (BT-49) shall have a Scheme identifier that names the electronic address scheme.

Problem Description

The Buyer electronic address (BT-49) shall have a Scheme identifier that names the electronic address scheme.

ERROR

XRechnung 3.0

Context and Significance

This rule comes from the EN16931 core semantic model enforced by the KoSIT XRechnung 3.0.2 Schematron, ensuring invoices carry the mandatory data needed for automated processing.

Solution

Set the schemeID attribute on cbc:EndpointID for the buyer using an EAS code that matches how the buyer receives invoices.

Validate XML Convert invoice

Valid Examples

Use these points as the practical checks for this section.

BT-49 = 991-1234567-89 with schemeID="9958" (Leitweg-ID)

Invalid Examples

Use these points as the practical checks for this section.

BT-49 EndpointID present but with no schemeID attribute

Code Examples

Valid XML

<cac:AccountingCustomerParty>
  <cac:Party>
    <cbc:EndpointID schemeID="9958">991-1234567-89</cbc:EndpointID>
  </cac:Party>
</cac:AccountingCustomerParty>

Invalid XML

<cac:AccountingCustomerParty>
  <cac:Party>
    <cbc:EndpointID>991-1234567-89</cbc:EndpointID>
  </cac:Party>
</cac:AccountingCustomerParty>

Affected Fields

BT-49 Buyer electronic address

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