NOTE: It is not recommended this operation ever be performed by certain businesses especially if customer Sales Form (Invoice Status) history needs to be forever maintained by the business.
The Receivables Sales Form (Invoice Status) Maintenance Menu Choice performs housekeeping functionality for the Sales Form (Invoice Status) under the Receivables Bookkeeping Menu Choice.
Purge Zero Balance Sales Forms (Invoice Status)
Purge Zero Balance Invoices displays a screen requesting a date and then deletes all paid invoices with dates through (equal to or prior to) the date specified.
Enter or 
the payment date.
Double click on the date number in the Calendar or use the controls to select/highlight the desired date and press the button.
You will be returned to the Purge Zero Balance Invoices Setup Form...
Press 
to begin the purge processing.