4Exchange
4Exchange: One online platform for worry-free exchange of documents with suppliers and customers
| Outbound eInvoices | Date |
| Peppol BIS | Yes |
| Other formats | |
| EN16931 | Yes |
| MLR | Yes |
| SI-2.0 | Yes |
| Xrechnung | Yes |
| Inbound eInvoices | |
| Peppol BIS | Yes |
| Other formats | |
| EN16931 | Yes |
| MLR | Yes |
| SI-2.0 | Yes |
| Xrechnung | Yes |
| Other streams | in 2024 |
