No. We send an automatic reminder to you after a 11-month period, questioning if you wish to use the address and our service furthermore. But no sudden bill you have to pay, It depends on your decision within the next 4 weeks how we shall proceed. If you do not answer, the service is automatically stopped by the end of the period you already paid. No further disturbance. You don‘t need to do anything, You will not have to transfer money, just to call it back at the same time. No inconvenience at all.