Solution : https://service.sap.com/sap/support/notes/388119 (SAP Service marketplace login required)
Key words :
generate/activate function groups iedi, additional key words invoic01, billing document orthe idoc, activate enhancement fedi0001, invoic fi idocs, accounts payable accounting, import support packages, user exit exit_sapliedi_101, postponed baseline date, source code corrections
Related Notes :
| 364882 | INVOIC: terms of payment w/ postponed baseline date |