`BR-FXEXT-06`

For each item (BG-25), if the "ID of the parent line" (BT-X-304) is used, the "Subtype of the invoice item" (BT-X-8) must be specified.

Official rule text

[BR-FXEXT-06]- For each item (BG-25), if the "ID of the parent line" (BT-X-304) is used, the "Subtype of the invoice item" (BT-X-8) must be specified.

Where the rule applies

Rule set	Document type	Severity
ZUGFeRD / Factur-X (2.5.2) FeRD, FNFE-MPE	Factur-X EXTENDED (CII)	error

Fatal and error findings make the invoice invalid (valid: false); warnings and information do not.

Business terms concerned (EN 16931)

BG-25

Technical check

Syntax: CII · ZUGFeRD / Factur-X (2.5.2)
Context: //ram:IncludedSupplyChainTradeLineItem
Test (must be true): normalize-space(ram:AssociatedDocumentLineDocument/ram:ParentLineID) ='' or (normalize-space(ram:AssociatedDocumentLineDocument/ram:ParentLineID) != '' and ram:AssociatedDocumentLineDocument/ram:LineStatusReasonCode != '')

How the API reports this rule

Every finding of POST /v1/validate carries the rule id, severity, message, location (XPath) and rule set, and links this page (docUrl):

{
  "severity": "error",
  "ruleId": "BR-FXEXT-06",
  "message": "[BR-FXEXT-06]- For each item (BG-25), if the \"ID of the parent line\" (BT-X-304) is used, the \"Subtype of the invoice item\" (BT-X-8) must be specified.",
  "xpath": "/…",
  "source": "schematron:zugferd@2.5.2",
  "docUrl": "https://einvoice-api.eu/rules/br-fxext-06.html"
}

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Rule text and severity are taken unchanged from the official rule set; this page is generated from the API's configuration. Not legal advice.