Message

Business process MUST be in the format 'urn:peppol:bis:billing'.

Context
/ubl:Invoice[cac:AccountingSupplierParty/cac:Party/cac:PostalAddress/cac:Country/cbc:IdentificationCode = 'JP' ]
Test
/*/cbc:ProfileID and matches(normalize-space(/*/cbc:ProfileID), 'urn:peppol:bis:billing')