should have been 6 months subscription but has continued.

I sent my sister Jan Rees  oliver st christie downs sa 6 months sub over 12 moths ago.I didnt realise it was ongoing till I checked my credit card yesterday.I will accept the next 6 months only if sent to me dianne crossley 6 maramba ave grovedale 3216.If thats not possible cancel completely or will take complaint to anz bank . I would never agreed to an ongoing subscription.this is dishonest.