# FX-SCH-A-000201

Source: https://xmlvalid.com/rules/FX-SCH-A-000201

> Each Invoice line (BG-25) shall have an Invoiced quantity (BT-129).

- Level: error
- Rule sets: Factur-X BASIC rules 1.09
- Context: `//ram:IncludedSupplyChainTradeLineItem`
- Test: `(ram:SpecifiedLineTradeDelivery/ram:BilledQuantity)`

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