Solution : https://service.sap.com/sap/support/notes/395054 (SAP Service marketplace login required)
Key words : 
enter import parameter erkrs = 's001' choose 'execute', incoming sales order automatically copies, sales master data tables vbak, terms incoming sales order, 'rke_generate_interface_act' choose 'single test', intercompany incoming sales order, standard partner functions kunwe, user-defined partner functions, call function module 'rke_generate_interface_act', operating concern s001
Related Notes : 
       
| 629705 | Incoming sales order: cross-company code orders | 
| 595590 | CO-PA: Incorr. characteristic values for intercompany II | 
| 595514 | Incorrect charactrstcs for internal incoming sales ordrs III | 
| 565621 | Incorrct chars. with intercompany incoming sales order II | 
| 551006 | Incoming sales order: Profit center for intercompany | 
| 382529 | Wrong partners with incoming sales order intercompany | 
| 355001 | Incorr data f profitability segment characteristics | 
| 319000 | Error in profitablty segment w cross-company code sales | 
| 302355 | Incor.partner nos for intercompany in profit.segment |