# BR-FXEXT-CO-12

Source: https://xmlvalid.com/rules/BR-FXEXT-CO-12

> Absolute Value of (Sum of charges on document level (BT-108) - Σ Document level charge amounts (BT-99) - Σ Logistics Service fee amounts (BT-x-272))<= 0,01 * (Number of Document level charge amounts (BT-99) + Number of Logistics Service fee amounts (BT-X-272)).

- Level: error
- Rule sets: Factur-X EXTENDED rules 1.09.2
- Context: `//ram:SpecifiedTradeSettlementHeaderMonetarySummation`
- Test: `(not(/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:SpecifiedTradeAllowanceCharge[ram:ChargeIndicator/udt:Indicator='true'])and not (ram:ChargeTotalAmount)) or (for $calculatedAmount in xs:decimal(xs:decimal(round(sum(/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:SpecifiedTradeAllowanceCharge[ram:ChargeIndicator/udt:Indicator='true']/ram:ActualAmount/xs:decimal(.))* 100 ) div 100)+ xs:decimal(round(sum(/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:SpecifiedLogisticsServiceCharge/ram:AppliedAmount/xs:decimal(.))* 10 * 10 ) div 100)), $totalAmount in xs:decimal(ram:ChargeTotalAmount), $nbChargeItems in xs:decimal(count(../ram:SpecifiedTradeAllowanceCharge[ram:ChargeIndicator/udt:Indicator='true']) + count(../ram:SpecifiedLogisticsServiceCharge)), $tolerance in xs:decimal(0.01), $maxTolerance in $nbChargeItems * $tolerance, $diff in xs:decimal($totalAmount - $calculatedAmount), $abs in xs:decimal(abs($diff)) return $abs le $maxTolerance)`

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