# BR-FXEXT-CO-11

Source: https://xmlvalid.com/rules/BR-FXEXT-CO-11

> Absolute Value of (Sum of allowances on document level (BT-107) - Σ Document level allowance amounts (BT-92))<= 0,01 * Number of Document level allowance amounts (BT-92).

- 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='false']) and not (ram:AllowanceTotalAmount)) or (for $calculatedAmount in xs:decimal(round(sum(/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:SpecifiedTradeAllowanceCharge[ram:ChargeIndicator/udt:Indicator='false']/ram:ActualAmount)* 10 * 10 ) div 100), $totalAmount in xs:decimal(ram:AllowanceTotalAmount), $nbAllowanceItems in xs:decimal(count(../ram:SpecifiedTradeAllowanceCharge[ram:ChargeIndicator/udt:Indicator='false'])), $tolerance in xs:decimal(0.01), $maxTolerance in $nbAllowanceItems * $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