# F-INV341

Source: https://xmlvalid.com/rules/F-INV341

> Invoice line '…' with lineExtensionAmount (…) must equal (Price.PriceAmount (…) / Price.BaseQuantity (…) ) * InvoicedQuantity (…) * Invoice.PricingExchangeRate.CalculationRate (when '../cac:PricingExchangeRate' is present with MathematicOperatorCode = 'multiply') +/- 1.00 (InvoicedQuantity unitCode and Price.BaseQuantity unitCode are equal)

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

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