Mixed Invoices are invoices or credit/debit memos for which you can match to purchase orders and to other invoices. Mixed invoices can be either positive or negative values. However, you can only match a negative amount mixed invoice to a standard invoice.
To enter a Mixed invoice:
In the Invoice Workbench, enter a Mixed invoice Type. Enter all basic invoice information. See: Entering Basic Invoices.
You can enter either a positive or negative invoice amount.
Match to purchase orders, and/or invoices. See: Entering Purchase Order Matched Invoices, and Matching Credit/Debit Memos to Purchase Orders and Invoices.
Note: You can only match a negative amount mixed invoice to a standard invoice.