BR-KSA-37
The seller address building number must contain 4 digits.
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.
Context
cac:AccountingSupplierParty/cac:Party
Test
matches(cac:PostalAddress/cbc:BuildingNumber, '^[0-9]{4}$')
Checked with Saudi Arabia ZATCA Tax Invoice (UBL), Saudi Arabia ZATCA Simplified Tax Invoice (UBL)