BR-KSA-52
The line VAT amount (KSA-11) is mandatory for tax invoice and associated credit notes and debit notes (KSA-2, position 1 and 2 = 01).
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.
cbc:InvoiceTypeCode[substring(@name, 1, 2) = '01']
every $line in //cac:InvoiceLine satisfies exists($line/cac:TaxTotal/cbc:TaxAmount) and ($line/cac:TaxTotal/cbc:TaxAmount) != ''
Checked with Saudi Arabia ZATCA Tax Invoice (UBL), Saudi Arabia ZATCA Simplified Tax Invoice (UBL)