BR-CO-04-GST-SG
Each Invoice line (BG-25) shall be categorized with an Invoiced item GST category code (BT-151-GST).
error: the document is invalid
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:InvoiceLine | cac:CreditNoteLine
Test
(cac:Item/cac:ClassifiedTaxCategory[cac:TaxScheme/cbc:ID='GST']/cbc:ID)
Checked with PINT SG Invoice, PINT SG Credit Note