How to clear pending quantity from challan list(J1IFR)

Dear SAP Gurus.,

One Purchase order (Subcontract ) created with two Parent items (Say suppose A, B)

( Parent Item A----> Child Componet (despatched to subcontractor) X

Parent Item B----> Child Componet (despatched to subcontractor) Y)

Despatched the total two materials against one subcontracting challan two subcontractor at a time.

One item is fully recieved and assigned the subcontracting challan accordingly

and the second line item is received partially and assigned the partial quantity to that challan .

Now the return date (180 days is completed)

After completion of 180 days the pending material has come from the vendor.

As per 57AC rules the 180 days is completed and in this case how to proceed can anybody can guide me.

whether i have to complete the challan

or how to go about this.

This is the first time the the material crossed 180days from the subcontract.

Please help me in this regard.

i want to clear pending quantity fro challan list(J1IFR)

Rgds

Anurag