Seperating purchase order requisitions by demand origin

Hello All,

I am hoping someone has some familiarity with dual flows for receipts.

Our supply chain services direct assembly (production order demand) and customer services (plant transfer order).  Our purchase orders communicate the demand to the vendors without any indication of demand source.  Once materials are received, we create a plant transfer order to move from our plant to the CS plant.

I am wondering if it is possible to setup SAP to segregate the demand to drive separate purchase requisitions.  This would allow the product to be direct directly to customer services at receipt.  In the screen capture below there is the dependent demand from assembly and the ConRel demand from the customer services plant (D003).  These are rolled up in to purchase orders based on order policy.

Any help would be greatly appreciated.

Regards,

Jason