Reference

BR-64 Item standard identifier must have a scheme identifier

The Item standard identifier (BT-157) shall have a Scheme identifier so the identifier’s registration scheme is unambiguous.

Problem Description

The Item standard identifier (BT-157) shall have a Scheme identifier so the identifier’s registration scheme is unambiguous.

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 cac:StandardItemIdentification/cbc:ID using an ISO/IEC 6523 code, for example 0160 for GTIN.

Validate XML Convert invoice

Valid Examples

Use these points as the practical checks for this section.

BT-157 = 04012345678901 with schemeID="0160" (GTIN)

Invalid Examples

Use these points as the practical checks for this section.

BT-157 standard item ID present but with no schemeID attribute

Code Examples

Valid XML

<cac:Item>
  <cac:StandardItemIdentification>
    <cbc:ID schemeID="0160">04012345678901</cbc:ID>
  </cac:StandardItemIdentification>
</cac:Item>

Invalid XML

<cac:Item>
  <cac:StandardItemIdentification>
    <cbc:ID>04012345678901</cbc:ID>
  </cac:StandardItemIdentification>
</cac:Item>

Affected Fields

BT-157 Item standard identifier

Validation Tools

Official KoSIT Validator

Validate your XRechnung files against all BR-DE rules.

Convert PDF to XRechnung

Automatic validation error fixes when converting.

Quick actions

Quick actions