You can search for an invoice from either a customer profile or from the Accounting module.
To find an invoice from a customer profile:
This will open the Invoice Profile.
From the Invoice Profile, you can Add a Payment, Void Invoice, or Cancel Invoice.
Note: To search for an invoice from the Accounting module, go to the Accounting Overview page and click the Find Invoice link. If more than one invoice matches the search criteria (e.g., a customer has multiple invoices), a list of invoices will display.