We currently use the pro-rota system, which means that if you make an order before the 10th you will be making a partial payment.
The partial payment is from the current date until the 25th of the month, this payment has to be paid for the service to be active.
You will then be invoiced for the full month / year five days before the new month starts.
If you are placing an order on or after the 11th you will be charged a partial payment from the date until the 25th, and also the full month.