# FX-SCH-A-000233

Source: https://xmlvalid.com/rules/FX-SCH-A-000233

> In a VAT breakdown (BG-23) where the VAT category code (BT-118) is " Not subject to VAT" the VAT category taxable amount (BT-116) shall equal the sum of Invoice line net amounts (BT-131) minus the sum of Document level allowance amounts (BT-92) plus the sum of Document level charge amounts (BT-99) where the VAT category codes (BT-151, BT-95, BT-102) are "Not subject to VAT".

- Level: error
- Rule sets: Factur-X MINIMUM rules 1.09, Factur-X BASIC rules 1.09
- Context: `//rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax[ram:CategoryCode = 'O']`
- Test: `ram:BasisAmount = (round(sum(/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedLineTradeSettlement[ram:ApplicableTradeTax/ram:CategoryCode = 'O']/ram:SpecifiedTradeSettlementLineMonetarySummation/xs:decimal(ram:LineTotalAmount))*10*10)div 100) + (round(sum(/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:SpecifiedTradeAllowanceCharge[(ram:ChargeIndicator/udt:Indicator cast as xs:boolean)=true() and ram:CategoryTradeTax/ram:CategoryCode='O']/xs:decimal(ram:ActualAmount[1]))*10*10)div 100) - (round(sum(/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:SpecifiedTradeAllowanceCharge[(ram:ChargeIndicator/udt:Indicator cast as xs:boolean)=false() and ram:CategoryTradeTax/ram:CategoryCode='O']/xs:decimal(ram:ActualAmount[1]))*10*10)div 100)`

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