Message

Base quantity MUST be a positive number above zero.

Context
cac:InvoiceLine | cac:CreditNoteLine
Test
not(cac:Price/cbc:BaseQuantity) or xs:decimal(cac:Price/cbc:BaseQuantity) > 0
Usage
/ ubl:Invoice / cac:InvoiceLine / cac:Price / cbc:BaseQuantity
/ ubl:CreditNote / cac:CreditNoteLine / cac:Price / cbc:BaseQuantity