Delivery split

Customer master data records are defined based on division. same customer will have different vbkd-kdgrp values beacuse of the division in which he was defined.

now, when i am creating a sales order in one division and ordering materials from various divisions, the system is taking the customer master details into order basing on the ordered material's division instead of order's header division.

can anyone tell me where in SAP we can instruct the system to consider the sales order's header division for picking up the customer master details into an order?

Thanks

Chandramouli