# CII-FREXT-CR-490

Source: https://xmlvalid.com/rules/CII-FREXT-CR-490

> This value in TaxApplicableTradeCurrencyExchange should not be present

- Level: warning
- Rule sets: EXTENDED-CTC-FR rules (UBL) 1.4.0.04
- Context: `/ubl:Invoice | /cn:CreditNote`
- Test: `not(cac:TaxExchangeRate) or (every $n in cac:TaxExchangeRate/* satisfies (local-name($n) = ('SourceCurrencyCode', 'TargetCurrencyCode', 'CalculationRate', 'Date')))`

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