Supplier Item in Blanket Purchase Agreement

Hello Experts ,

Through iSupplier portal Supplier Item number  is added to the blanket purchase order line and submitted. The BPA was approved and the supplier item number change made thru iSupplier portal is reflected in Blanket Purchase Agreement. But in the Approved Supplier List the supplier item number entered thru isupplier is not reflecting.

Please help us.

Regards,
bala