We give you an advance 60 days notice without invoice that domain will fall for renewal on that date, your invoice will be generated automatically by our system 30 days before it is due, you will be notified 15 and 7 days before your end date and on the last 24 hours before it expires.
Note: Two renewal reminders (one month and one week before expiry) are required by ICANN as described by their policy on this page.