Open the Service Order (Use the Picklist to help you find the SO number).
Add the parts to service order- they must not be in inventory
Select the line that you want to create a reservation for.
Check the order date and select the correct requisition worksheet.
Click “Functions” and “Insert Requisition Line”
This part of the process is critical to get right is the customer wishes to use the customer backorder release trained in the Parts Purchasing Module.