Choose the Payment Terms tab on the Setup page to edit the standard payment terms offered for selection on invoices.
The following picture shows the Payment Terms tab.
Up to 10 payment terms can be entered. All changes will be saved automatically.
By clicking the EOM? checkbox on the left of a payment term, the term can be switched to the number of days following the end of the month containing the invoice date.
To set the default payment term to be applied for new customers, check the box to the right of the appropriate term.