Solution : https://service.sap.com/sap/support/notes/880515 (SAP Service marketplace login required)
Key words :
maintain default level item values, item level values overwrites, manually entered values, terms nf processing, base key reason, default values, header level, nf functionality, sales order, open items
Related Notes :
| 800155 | Composite SAP note for Cable Solution - V46C.1A Fix Pack 6 |