# FX-SCH-A-001024

Source: https://xmlvalid.com/rules/FX-SCH-A-001024

> Value of 'ram:ReferenceTypeCode' is not allowed.

- Level: error
- Rule sets: Factur-X EXTENDED rules 1.09.2
- Context: `/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedLineTradeAgreement/ram:AdditionalReferencedDocument/ram:ReferenceTypeCode`
- Test: `string-length($codeValue20)=0 or document('FACTUR-X_EXTENDED_codedb.xml')/codedb/cl[@id=20]/enumeration[@value=$codeValue20]`

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