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BR-TMP-2

The external document location (BT-124) is not a complete web address

Validation rule of XRechnung 3.0.2 (KoSIT, Schematron 2.6.0) · Level: Error

What the message means

The external document location (BT-124) is not a complete web address.

What the issuer needs to change

Give a full address starting with https://.

Fields concerned

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Origin

Rule set
XRechnung 3.0.2 (KoSIT, Schematron 2.6.0)
Syntax
CII, UBL
Level
Error

Original rule text

BT-124 "External document location" muss eine absolute URL mit gültigem Schema enthalten.

Source: KoSIT, XRechnung Schematron 2.6.0, Apache License 2.0

Technical details for IT

UBL

Context: /ubl:Invoice/cac:AdditionalDocumentReference/cac:Attachment/cac:ExternalReference | /cn:CreditNote/cac:AdditionalDocumentReference/cac:Attachment/cac:ExternalReference
Test: not(matches(cbc:URI, $XR-URL-REGEX))

CII

Context: /rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:AdditionalReferencedDocument[ram:TypeCode = '916']
Test: not(not(exists(ram:URIID)) or (matches(ram:URIID, $XR-URL-REGEX)))

Related rules

All validation rules

Technical explanation by robin.vision, not tax or legal advice. Rules as of 31 August 2026 (KoSIT validator configuration).