# BR-AA-01

Source: https://xmlvalid.com/rules/BR-AA-01

> An Invoice that contains an Invoice line (BG-25), a Document level allowance (BG-20) or a Document level charge (BG-21) where the VAT category code (BT-151, BT-95 or BT-102) is “Lower rate” shall contain in the VATBReakdown (BG-23) at least one VAT category code (BT-118) equal with "Lower rate".

- Level: error
- Rule sets: CIUS-PT rules (Portugal, UBL) 2.1.1
- Context: `//ubl:Invoice | //cn:CreditNote`
- Test: `((count(//cac:AllowanceCharge/cac:TaxCategory[normalize-space(cbc:ID) = 'AA' or normalize-space(cbc:ID) = 'RED' or normalize-space(cbc:ID) = 'INT']) + count(//cac:ClassifiedTaxCategory[normalize-space(cbc:ID) = 'AA' or normalize-space(cbc:ID) = 'RED' or normalize-space(cbc:ID) = 'INT'])) > 0 and count(cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[normalize-space(cbc:ID) = 'AA' or normalize-space(cbc:ID) = 'RED' or normalize-space(cbc:ID) = 'INT']) > 0) or ((count(//cac:AllowanceCharge/cac:TaxCategory[normalize-space(cbc:ID) = 'AA' or normalize-space(cbc:ID) = 'RED' or normalize-space(cbc:ID) = 'INT']) + count(//cac:ClassifiedTaxCategory[normalize-space(cbc:ID) = 'AA' or normalize-space(cbc:ID) = 'RED' or normalize-space(cbc:ID) = 'INT'])) = 0 and count(cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[normalize-space(cbc:ID) = 'AA' or normalize-space(cbc:ID) = 'RED' or normalize-space(cbc:ID) = 'INT']) = 0)`

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