Solution : https://service.sap.com/sap/support/notes/420941 (SAP Service marketplace login required)
Key words :
copying control delivery - billing document, additional key words fbuda, set pricing date 'c', enhanced data transport routine, data transport routine, attached source code, user exit mv45afzz, field vbap-fbuda, data vbrk/vbrp, volume-based rebate
Related Notes :
| 410579 | FAQ: Rebate processing |
| 381348 | Using user exit, customer exit, VOFM in SD |
| 170183 |