# FX-SCH-A-000180

Source: https://xmlvalid.com/rules/FX-SCH-A-000180

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

- Level: error
- Rule sets: Factur-X BASIC WL rules 1.09
- Context: `/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax/ram:DueDateTypeCode`
- Test: `string-length($codeValue16)=0 or document('FACTUR-X_BASIC-WL_codedb.xml')/codedb/cl[@id=16]/enumeration[@value=$codeValue16]`

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

- Level: error
- Rule sets: Factur-X BASIC rules 1.09
- Context: `/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax/ram:DueDateTypeCode`
- Test: `string-length($codeValue20)=0 or document('FACTUR-X_BASIC_codedb.xml')/codedb/cl[@id=20]/enumeration[@value=$codeValue20]`

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