VAT category tax amount The total VAT amount for a given VAT category. About ID IBT-117Cardinality 1..1Section AlignedName VAT category tax amountSyntax binding ubl:CreditNote / cac:TaxTotal / cac:TaxSubtotal / cbc:TaxAmountRules IBR-CL-03: currencyID MUST be coded using ISO code list 4217 alpha-3.IBR-126: All currencyID attributes must have the same value as the Invoice currency code (ibt-005), except for amounts expected to be in Tax accounting currency (ibt-006).