Recurring Invoices are generated based on a schedule to help you automate your billing process.

Per Billing Cycle: This will allow you to generate an invoice on a custom schedule such as At The End of the Month or Per Billing Cycle. Per Billing Cycle will allow you to generate a custom schedule.

Invoice Due: How many days from the date sent that invoice is due

Global Settings: Send Invoice to {Customer} will automatically email out the invoice on the date scheduled

Send A Copy To: This is where you can enter an email to be copied on outgoing emails. You can even copy your own accounting department, as it makes it much easier in the future to see the content of the email that was sent.