Ex-customer debited after 4 years

We closed our Multichoice /DSTV account almost 4 years ago. <br> On 1 September 2015 we saw a debit on our current account for what is presumed to be a monthly Multichoice subscription.<br> We called the MChoice call centre, and had to hear that it was a 'system error'. We were advised to send a letter to [Email Removed] stating what had happened. The matter would be resolved WITHIN 40 DAYS! <br> Note: This company made a mistake, debited our account *******ly (no account or existing legal debit order in place), AND EXPECTS US TO WAIT FOR 40 DAYS BEFORE THEY RESOLVE THE MATTER. This is part of Multichoice's 'Refund policy'. <br> The call centre operator indicated that this was not an isolated case... So, if Multichoice debited, say 1000 non-existent customers *******ly WHEN THEY WERE EXPERIENCING A SYSTEM ERROR, they will hold on to almost R1 000 000 for more than a month, before considering refunding such non-customers.<br> Note: we are not a customer