This Job Aid shows a User how to determine an open amount or remaining balance on a Purchase Order.
Determine the balance remaining on a Purchase Order using PO Activity Summary
Navigation: Purchasing > Purchase Orders > Review PO Information > Activity Summary
![/images/group293/shared/ESAF/NUFinancials/PurchasingMISC/ActivitySummary/AS01.JPG](https://services.northwestern.edu/TDPortal/Images/Viewer?fileName=34bcc052-ff00-4a94-88dc-b4424e4e681a.JPG&beidInt=2)
- Enter the Purchase Order (PUR)
- Click Search.
Receipt tab
The Open Amount indicates the amount of the PO which has not been received.
![/images/group293/shared/ESAF/NUFinancials/PurchasingMISC/ActivitySummary/AS02.JPG](https://services.northwestern.edu/TDPortal/Images/Viewer?fileName=c9ad3390-1bde-4edd-b603-b98e1c854c02.JPG&beidInt=2)
Invoice tab
The Amount Invoiced is the amount that has been vouchered.
![/images/group293/shared/ESAF/NUFinancials/PurchasingMISC/ActivitySummary/AS03.JPG](https://services.northwestern.edu/TDPortal/Images/Viewer?fileName=627ef00b-e29b-4030-80cf-dd4886140f9c.JPG&beidInt=2)
Matched tab
The Amount Matched should equal the Amount Invoiced and the Amount Received.
![/images/group293/shared/ESAF/NUFinancials/PurchasingMISC/ActivitySummary/AS04.JPG](https://services.northwestern.edu/TDPortal/Images/Viewer?fileName=0d32bdc7-e437-432f-979d-fba29576d9c6.JPG&beidInt=2)
If the amounts match, the Open Amount displayed on the Receipt tab is correct.
If the amounts do not match, do a comparison:
- If the Amount Received is greater than the Amount Matched, an invoice has not been entered.
- If the Amount Received is less than the Amount Invoiced, a receipt is needed.
For additional assistance please contact the IT Support Center at 847-491-4357 (1-HELP) or email servicedesk@northwestern.edu.