# DT-CIUS-PT-171

Source: https://xmlvalid.com/rules/DT-CIUS-PT-171

> For each different value of VAT category rate (BT-119) where the VAT category code (BT-118) is "Lower rate", the VAT category taxable amount (BT-116) in a VATBReakdown (BG-23) shall equal the sum of Invoice line net amounts (BT-131) plus the sum of document level charge amounts (BT-99) minus the sum of document level allowance amounts (BT-92) where the VAT category code (BT-151, BT-102, BT-95) is “Lower rate” and the VAT rate (BT-152, BT-103, BT-96) equals the VAT category rate (BT-119), with an acceptance range of 1.00 € (it does not mean that this tolerance is accepted by the customer).

- Level: error
- Rule sets: CIUS-PT rules (Portugal, UBL) 2.1.1
- Context: `cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[normalize-space(cbc:ID) = 'AA' or normalize-space(cbc:ID) = 'RED' or normalize-space(cbc:ID) = 'INT']`
- Test: `every $rate in round(cbc:Percent) satisfies ((exists(//cac:InvoiceLine) and ((round((sum(../../../cac:InvoiceLine[normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='AA' or normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='RED' or normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='INT'][cac:Item/cac:ClassifiedTaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:LineExtensionAmount)) + sum(../../../cac:AllowanceCharge[cbc:ChargeIndicator='true'][normalize-space(cac:TaxCategory/cbc:ID)='AA' or normalize-space(cac:TaxCategory/cbc:ID)='RED' or normalize-space(cac:TaxCategory/cbc:ID)='INT'][cac:TaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:Amount)) - sum(../../../cac:AllowanceCharge[cbc:ChargeIndicator='false'][normalize-space(cac:TaxCategory/cbc:ID)='AA' or normalize-space(cac:TaxCategory/cbc:ID)='RED' or normalize-space(cac:TaxCategory/cbc:ID)='INT'][cac:TaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:Amount))) * 100) div 100) <= (xs:decimal(../cbc:TaxableAmount) + 1.00) and (round((sum(../../../cac:InvoiceLine[normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='AA' or normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='RED' or normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='INT'][cac:Item/cac:ClassifiedTaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:LineExtensionAmount)) + sum(../../../cac:AllowanceCharge[cbc:ChargeIndicator='true'][normalize-space(cac:TaxCategory/cbc:ID)='AA' or normalize-space(cac:TaxCategory/cbc:ID)='RED' or normalize-space(cac:TaxCategory/cbc:ID)='INT'][cac:TaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:Amount)) - sum(../../../cac:AllowanceCharge[cbc:ChargeIndicator='false'][normalize-space(cac:TaxCategory/cbc:ID)='AA' or normalize-space(cac:TaxCategory/cbc:ID)='RED' or normalize-space(cac:TaxCategory/cbc:ID)='INT'][cac:TaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:Amount))) * 100) div 100) >=(xs:decimal(../cbc:TaxableAmount) - 1.00))) or (exists(//cac:CreditNoteLine) and ( ((round((sum(../../../cac:CreditNoteLine[normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='AA' or normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='RED' or normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='INT'][cac:Item/cac:ClassifiedTaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:LineExtensionAmount)) + sum(../../../cac:AllowanceCharge[cbc:ChargeIndicator='true'][normalize-space(cac:TaxCategory/cbc:ID)='AA' or normalize-space(cac:TaxCategory/cbc:ID)='RED' or normalize-space(cac:TaxCategory/cbc:ID)='INT'][cac:TaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:Amount)) - sum(../../../cac:AllowanceCharge[cbc:ChargeIndicator='false'][normalize-space(cac:TaxCategory/cbc:ID)='AA' or normalize-space(cac:TaxCategory/cbc:ID)='RED' or normalize-space(cac:TaxCategory/cbc:ID)='INT'][cac:TaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:Amount))) * 100) div 100) <= (xs:decimal(../cbc:TaxableAmount) + 1.00) and (round((sum(../../../cac:CreditNoteLine[normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='AA' or normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='RED' or normalize-space(cac:Item/cac:ClassifiedTaxCategory/cbc:ID)='INT'][cac:Item/cac:ClassifiedTaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:LineExtensionAmount)) + sum(../../../cac:AllowanceCharge[cbc:ChargeIndicator='true'][normalize-space(cac:TaxCategory/cbc:ID)='AA' or normalize-space(cac:TaxCategory/cbc:ID)='RED' or normalize-space(cac:TaxCategory/cbc:ID)='INT'][cac:TaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:Amount)) - sum(../../../cac:AllowanceCharge[cbc:ChargeIndicator='false'][normalize-space(cac:TaxCategory/cbc:ID)='AA' or normalize-space(cac:TaxCategory/cbc:ID)='RED' or normalize-space(cac:TaxCategory/cbc:ID)='INT'][cac:TaxCategory/cbc:Percent=$rate]/xs:decimal(cbc:Amount))) * 100) div 100) >=(xs:decimal(../cbc:TaxableAmount) - 1.00)))))`

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