Follow the steps below when making invoice payments.
Search for a purchase request by going to Search option under the Purchasing menu or click on the link from the notification email.
On the purchase order, go to Section 6 (Invoices)
Attach the file and click Save as seen below:
Once the invoice is added, payments can be processed.
Go to the Payment option under Purchasing tab and then select Payment
Click on Pay button on the PO (purchase order) you are making the payment on
Provide the payment information such as cost center and the quantity paying for
If a purchase order has multiple invoices, indicate the item(s) being billed on the invoices accordingly when paying.
Please pay attention to only indicate the item that are being invoiced, when paying for purchase orders that have multiple invoices,