# CII-SR-454

Source: https://xmlvalid.com/rules/CII-SR-454

> Only one ApplicableTradeTax should be present

- Level: warning
- Rule sets: EN 16931 rules (CII) 1.3.17, EN 16931 rules 1.3.16 (CII)
- Context: `/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedLineTradeSettlement`
- Test: `count(ram:ApplicableTradeTax) = 1`

> Only one ApplicableTradeTax should be present

- Level: warning
- Rule sets: EXTENDED-CTC-FR rules (CII) 1.4.0.04
- Context: `/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedLineTradeSettlement`
- Test: `count(ram:ApplicableTradeTax) le 1`

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