BR-46
Each VAT breakdown (BG-23) shall have a VAT category tax amount (BT-117).
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
cac:TaxTotal/cac:TaxSubtotal
exists(cbc:TaxAmount)
Checked with EN 16931 Invoice (UBL), EN 16931 Credit Note (UBL), Croatia eRačun Invoice (UBL), Croatia eRačun Credit Note (UBL)
//ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax
(ram:CalculatedAmount)
Checked with EN 16931 Invoice (CII)