# BR-FREXT-BR-23

Source: https://xmlvalid.com/rules/BR-FREXT-BR-23

> An Invoice line (BG-25) shall have an Invoiced quantity unit of measure code (BT-130) if the "Subtype of invoice line item" (EXT-FR-FE-163 / BT-X-8) has the value "DETAIL" or is not specified..

- Level: error
- Rule sets: EXTENDED-CTC-FR rules (CII) 1.4.0.04
- Context: `//ram:IncludedSupplyChainTradeLineItem/ram:AssociatedDocumentLineDocument[not(ram:LineStatusReasonCode) or ram:LineStatusReasonCode = 'DETAIL']`
- Test: `(../ram:SpecifiedLineTradeDelivery/ram:BilledQuantity/@unitCode)`

Validate a document against these rules: https://xmlvalid.com/validate