BR-111-GST-SG
A CreditNote that contains an GST Category code of value SR, SRCA-S, SRCA-C, ZR, SRRC, SROVR-RS, SROVR-LVG, SRLVG or NA shall contain an Invoice note with the reason for credit (IBT-022)
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:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[contains( ' SR SRCA-S SRCA-C ZR SRRC SROVR-RS SROVR-LVG SRLVG NA ',concat(' ',normalize-space(cbc:ID),' ') ) ]
Test
exists(cn:CreditNote/cbc:Note) or not(exists(cn:CreditNote))
Checked with PINT SG Invoice, PINT SG Credit Note