https://hostbillapp.com/features/apps/xml_ubl/
XML UBL module provides support for XML/UBL 2.1/2.2 invoices export for electronic invoicing. An e-invoice has the same legal validity as a paper invoice.
billing automationxmlubleinvoicing
https://www.opentext.com/au/what-is/e-invoicing
Learn the key benefits of electronic invoicing (e-Invoicing), how it improves cashflow while ensuring compliance, and how OpenText can help you get started
complete guideinvoice automationinvoicing