UBL

Peppol makes use of a subset of the UBL 2.1 specification. UBL is an open standard maintained by OASIS. The official website is https://www.oasis-open.org/committees/tc_home.php?wg_abbrev=ubl. It offers downloads for for XML schema files and code lists for UBL 2.1 (ZIP) (56 MB).

e-Rechnung.gv.at supports the UBL format not only when used via the Peppol Network but also when using the invoice upload or the web service delivery.

Details on the transmission via Peppol are described here.

Details on how to handle BBG specific fields in UBL are described here.

Document types

Invoices with UBL document type Invoice can be delivered in version 2.1. Credit notes with UBL document type CreditNote can also be deliver in version 2.1.

Field mapping

The special fields "order reference" and "supplier number" are mapped to specific fields in UBL. The first matching field that is non-empty will be used.

Order reference

• /Invoice/OrderReference/ID (BT-13)

Supplier number

• /Invoice/AccountingSupplierParty/Party/PartyIdentification[1]/ID (BT-29)

Embedded attachments

• /Invoice/AdditionalDocumentReference/Attachment/EmbeddedDocumentBinaryObject (BT-125) - is only evaluated, if the invoice is received via the Peppol Network. When using UBL on other channels, like upload or Webservice, the specific means to provide attachments must be used.