Solution : https://service.sap.com/sap/support/notes/107056 (SAP Service marketplace login required)
Key words : 
additional key words lv45ju01, input structure i_bvbakkom conditions, prerequisites function module works, function module sd_order_create, displaying item data, net item values, form routine beleg_bearbeiten_ende, item data carry, attached advance corrections, distributed header conditions
Related Notes : 
       
| 536483 | BAPI SD: incomplete pricing | 
| 89673 | BAPI_SALESORDER_SIMULATE |