Making the Vendor - Plant Assignment 
To transfer stock with a bill being issued, a vendor master record has to be created for the issuing plant. You create the vendor master record in the same way as a standard vendor master record.
To assign a vendor master record to the supplying plant, proceed as follows:
- From the Purchasing menu, choose Master data → Vendor → Purchasing → Change.
- Enter the vendor and the purchasing organization.
Select Purchasing data and press ENTER .
The purchasing data detail screen appears.
- Choose Extras → Add. purchasing data. A window appears in which you can enter the plant.
- Save your data.