`BR-FXEXT-02`

If the invoice line item free text subject code (BT-X-10) is specified, either the coded invoice line item free text (BT-X-9) or the invoice line item free text (BT-127) must be specified, or both. If both BT-X-9 and BT-127 are specified, both must have the same meaning.

Official rule text

[BR-FXEXT-02]-If the invoice line item free text subject code (BT-X-10) is specified, either the coded invoice line item free text (BT-X-9) or the invoice line item free text (BT-127) must be specified, or both. If both BT-X-9 and BT-127 are specified, both must have the same meaning.

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)

BT-127

Technical check

Syntax: CII · ZUGFeRD / Factur-X (2.5.2)
Context: //ram:AssociatedDocumentLineDocument/ram:IncludedNote[ram:SubjectCode]
Test (must be true): (ram:ContentCode) or (ram:Content)

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-02",
  "message": "[BR-FXEXT-02]-If the invoice line item free text subject code (BT-X-10) is specified, either the coded invoice line item free text (BT-X-9) or the invoice line item free text (BT-127) must be specified, or both. If both BT-X-9 and BT-127 are specified, both must have the same meaning.",
  "xpath": "/…",
  "source": "schematron:zugferd@2.5.2",
  "docUrl": "https://einvoice-api.eu/rules/br-fxext-02.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.