# F-INV349

Source: https://xmlvalid.com/rules/F-INV349

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

- Level: error
- Rule sets: OIOUBL 2.1 Invoice rules (Denmark) 1.17.2
- Context: `doc:Invoice/cac:InvoiceLine`
- Test: `$unitCodeNeither and ($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)))`

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