Google "SEPA Request-to-Pay (SRTP)". Also have a look at the "U.S. e-Invoicing Pilot". EDIFACT ist an old global standard from the 70ies that is still in use

Google "SEPA Request-to-Pay (SRTP)". Also have a look at the "U.S. e-Invoicing Pilot". EDIFACT ist an old global standard from the 70ies that is still in use for invoicing. Only B2B and B2G.