Poor service & incorrect billing from VODACOM

I am being billed by vodacom for a contract that is not mine. i have asked them to send me a copy of the contract so i can see if perhaps i am mistaken but they refuse. they say i must go to a police station and get an affidavit to send them before they will look into it.

firstly, if it is their issue, it must be their problem to resolve. i have notified them of potential ***** and instead of looking into it they choose to make my life difficult and just keep billing me incorrectly.

secondly, if it is my mistake and perhaps somewhere along the line i entered one of many data contracts i have, then i am entitled to a copy of my contract....but they refuse to send it.

their intention is clear. they are not interest in customer service or even anti-*****. they are only interested in billing whether. even if they are wrong they will just keep billing you.