Solution : https://service.sap.com/sap/support/notes/138957 (SAP Service marketplace login required)
Key words :
define individual default values, additional key words mr1m, latest billing line item, multiple account assignment screen, billing line item, account assignment screen, multiple account assignment, account assignment lines, account assignment items, blanket purchase order
Related Notes :
| 395703 | MIRO, MR1M: Composite SAP note Taxes in invoice verification |
| 390408 | MIRO: problems with customer exit EXIT_SAPLMR1M_002 |
| 388065 | MIRO: incor.selection for multiple account assignment |
| 302998 | Collecting fields for user-exit |