# FX-SCH-A-001152

Source: https://xmlvalid.com/rules/FX-SCH-A-001152

> Attribute '@unitCode' is required in this context.

- Level: error
- Rule sets: Factur-X EXTENDED rules 1.09.2
- Context: `/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedTradeProduct/ram:IncludedReferencedProduct/ram:UnitQuantity`
- Test: `@unitCode`

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