Expenditure Type, Expenditure Org, Expenditure Date not on PO

I have created Type Subcontract in Project contract, for the contract line i have assigned the Project number , Tasks, Expenditure Type , Expenditure Org , Expenditure Date, checked the Procure to Pay flag and all other relevant details. I have Initiated the Requisition from the Delivery Tracking system(DTS) of contract workbench and Requisition got created by running the Requisition Import program, i auto created the Purchase order based on approved Requisition but in the approved Purchase order distribution Expenditure Type , Expenditure Org , Expenditure Date did not populated, only Project number , Tasks from the contract line

Please assist what's the issue ? why Expenditure Type , Expenditure Org , Expenditure Date did not populated on the Purchase order though these information is available on approved contract line