`BR-FXEXT-BR-54-2`

Each Item attribute (BG-32) shall contain an Item attribute value (BT-161) or an Item attribute value with unit of measure (BT-X-12, with BT-X-12-0), but noth both.

Official rule text

[BR-FXEXT-BR-54-2]-Each Item attribute (BG-32) shall contain an Item attribute value (BT-161) or an Item attribute value with unit of measure (BT-X-12, with BT-X-12-0), but noth both.

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-32
BT-161

Technical check

Syntax: CII · ZUGFeRD / Factur-X (2.5.2)
Context: //ram:ApplicableProductCharacteristic
Test (must be true): (exists(ram:Value) and not(exists(ram:ValueMeasure))) or (not(exists(ram:Value)) and (exists(ram:ValueMeasure[@unitCode!=''])))

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-BR-54-2",
  "message": "[BR-FXEXT-BR-54-2]-Each Item attribute (BG-32) shall contain an Item attribute value (BT-161) or an Item attribute value with unit of measure (BT-X-12, with BT-X-12-0), but noth both.",
  "xpath": "/…",
  "source": "schematron:zugferd@2.5.2",
  "docUrl": "https://einvoice-api.eu/rules/br-fxext-br-54-2.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.