cannot prevent users to see other users expense purchase order on 'receive expected shipments' form.

Customer Problem Description --------------------------------------------------- Problem Summary --------------------------------------------------- cannot prevent users to see other users expense purchase order on 'receive expected shipments' form. Problem Description --------------------------------------------------- 1.Till now we defined PO with 'receipt routing' = direct on po shipment. 2.requestors perform receiving on "My Receipts" form. 3. in this forms, users see only the po in which they are defined as requestors. 4. our company decided to use "standard receipts" routing in order that every receipt will be approved by additional user. 5. this means that we must use the 'receive expected shipments' form to create PO receipt. 6. our problem is that in this form user can create receipt for any po and not only "his" po.....