Customer for Internal Sales Order
When you define an Internal Sales order, the ISO is meant to supply to your own organization in a specific location and Organization. Now the question will be what will be the customer for such case when the ISO's are created from the internal requisition?
1. Create a Customer representing the Source Organization from which the Internal requisition is created.
2. In the Ship to Site of the Customer created in step 1. define the Internal Location and Internal Organization as the Organization and location for which you raise the requisition
3. Create the Internal requisition where you mention the source as Inventory and define the Inventory organization and Location to receive the goods of IR.