# F-CRN219

Source: https://xmlvalid.com/rules/F-CRN219

> CreditNote line '…' with lineExtensionAmount (…) must equal ((Price.PriceAmount (…) / Price.BaseQuantity (…) ) * CreditedQuantity (…)) div CreditNote.PricingExchangeRate.CalculationRate (when '../cac:PricingExchangeRate' is present with MathematicOperatorCode = 'divide') +/- 1.00 (CreditNotedQuantity unitCode and Price.BaseQuantity unitCode are equal)

- Level: error
- Rule sets: OIOUBL 2.1 Credit Note rules (Denmark) 1.17.2
- Context: `doc:CreditNote/cac:CreditNoteLine`
- Test: `$unitCodeEqual and ($notFree and not($noFactorRate) and not($noExchangeRate) and not($CRandMOC) and $Divide) and (((xs:double(cbc:LineExtensionAmount) < (xs:double($calculatedTotalUnitCodeEqual) div xs:double(../cac:PricingExchangeRate/cbc:CalculationRate)) - 01.00)) or (xs:double(cbc:LineExtensionAmount) > ((xs:double($calculatedTotalUnitCodeEqual) div xs:double(../cac:PricingExchangeRate/cbc:CalculationRate)) + 01.00)))`

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