BR-KSA-F-13
Please recheck Other Seller/Buyer ID (BT-29 or BT-46) as it contains an invalid value.
warning: reported, still valid
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.
Test
$bad-pattern-existsChecked with Saudi Arabia ZATCA Tax Invoice (UBL), Saudi Arabia ZATCA Simplified Tax Invoice (UBL)