Business process MUST be in the format 'urn:fdc:peppol.eu:2017:poacc:billing:NN:1.0' or 'urn:fdc:peppol.eu:2017:poacc:selfbilling:NN:1.0' where NN indicates the process number.
PEPPOL-EN16931-R007pxs-taxdata:TaxData/pxs-taxdata:ReportedTransaction/pxs-taxdata:ReportedDocument$profile != 'Unknown'