The software, by default, will generate an invoice for all of your customers 7 days before their due date.
Follow the steps below if you would like to change when invoices are generated:
1. Navigate to Setup > Settings.
2. Locate Billing Period in the settings (it will be the second setting).
From the dropdown menu, select how many days prior to the due date you would like to have the system generate invoices.
3) Click Save at the bottom of the page to save changes.