UblReaderReads UBL 2.1 Invoice and CreditNote documents (EN 16931, XRechnung UBL, Peppol BIS) into the data model.
UblWriterWrites OASIS UBL 2.1 Invoice and CreditNote documents according to the EN 16931 binding (CEN/TS 16931-3-2). Credit note type codes produce a CreditNote document.