`BR-FXEXT-12`

If the "Subtype of invoice line item" (EXT-FR-FE-163 / BT-X-8) has the value "GROUP" and if the "Invoice line net amount" (BT-131) is specified, all lower levels which has "Subtype of invoice line item" (EXT-FR-FE-163) equal to "GROUP" MUST contain a "Invoice line net amount" (BT-131) value.

Official rule text

[BR-FXEXT-12]-If the "Subtype of invoice line item" (EXT-FR-FE-163 / BT-X-8) has the value "GROUP" and if the "Invoice line net amount" (BT-131) is specified, all lower levels which has "Subtype of invoice line item" (EXT-FR-FE-163) equal to "GROUP" MUST contain a "Invoice line net amount" (BT-131) value.

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-131

Technical check

Syntax: CII · ZUGFeRD / Factur-X (2.5.2)
Context: //ram:IncludedSupplyChainTradeLineItem[ram:AssociatedDocumentLineDocument/ram:LineStatusReasonCode = 'GROUP' and exists(ram:SpecifiedLineTradeSettlement/ram:SpecifiedTradeSettlementLineMonetarySummation/ram:LineTotalAmount)]
Test (must be true): (for $lineID in ram:AssociatedDocumentLineDocument/ram:LineID, $numberChildWG in count(//rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem[ram:AssociatedDocumentLineDocument/ram:ParentLineID = $lineID and ram:AssociatedDocumentLineDocument/ram:LineStatusReasonCode = 'GROUP']), $numberChildWGAndBT131 in count(/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem[ram:AssociatedDocumentLineDocument/ram:ParentLineID = $lineID and ram:AssociatedDocumentLineDocument/ram:LineStatusReasonCode = 'GROUP']/ram:SpecifiedLineTradeSettlement/ram:SpecifiedTradeSettlementLineMonetarySummation/ram:LineTotalAmount) return…

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-12",
  "message": "[BR-FXEXT-12]-If the \"Subtype of invoice line item\" (EXT-FR-FE-163 / BT-X-8) has the value \"GROUP\" and if the \"Invoice line net amount\" (BT-131) is specified, all lower levels which has \"Subtype of invoice line item\" (EXT-FR-FE-163) equal to \"GROUP\" MUST contain a \"Invoice line net amount\" (BT-131) value.",
  "xpath": "/…",
  "source": "schematron:zugferd@2.5.2",
  "docUrl": "https://einvoice-api.eu/rules/br-fxext-12.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.