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Filter Grid to find Purchase Order , and Click on 
"Invoice"to invoice. You will be taken to AP Invoice
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***Disbursement grid is a listing of all transactions that have been expended/posted to USAS, even if a check number has not been assigned/printed
Modify InvoiceInvoice
Go to to AP Invoice (Legacy)
- Search for Invoice by entering beginning and ending dates, PO #, or Invoice #
- Click on Find
- Select Invoice, to modify, from results grid
- Click Modify
- on to edit
- Enter correcting information
- Click Validate
- Click PostClick Save