Message

[BR-108-GST-SG]-An Invoice 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 Universally unique Invoice identifier (UUID) (BT-SG-003)

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(/*/cbc:UUID)
Usage
/ ubl:Invoice / cbc:UUID
/ ubl:CreditNote / cbc:UUID