Solution : https://service.sap.com/sap/support/notes/983526 (SAP Service marketplace login required)
Key words :
changing parameter ch_user_changed_fields refers, terms tax exempt reason, user-exit 'exit_saplfytx_user_001', field t007a-txrel, solution manual action, call transaction se11, data type tax_allowed_fields, external tax system, external system decides0, external system decides1
Related Notes :
| 986148 | MIRO: Document data missing in EXIT_SAPLFYTX_USER_001 |
| 302998 | Collecting fields for user-exit |