SMS CHARGES FOR LATE PAYMENTS

I am at wits end with these sms charges from Foschini. The statement stipulates that the due date of payment is the 1st of each month. i pay my account on the 1st of each month on the 2nd i get a sms to saying my account is overdue . I will be charged for this sms come month end at the same time it clearly show on the statement payment received as the 1st I've been phoning them and they reverse payment continually , but every month the same thing happen. I am tired of phoning. this is a extra telephone charge and time to me and is totally unacceptable. As I am venting i just got a sms saying my account is overdue and to ignore if i paid this sms will be charge to my account with the next the statement. Please Foschini get your ducks in a row the company must be making quite some revenue with the ******* sms charges!!!