Unable to get answers or proof of consent on an update done

<p>There was an upgrade done on one of our contracts and after almost a year of being referred back and forth I am no closer to finding out what happened than I was back then. </p> <p> </p> <p>They can't give any proof of authorisation and we just have to continue paying the account each month.</p> <p> </p> <p>Under the consumer protection act I am allowed to ask for a copy of the contract at any stage. But they are not complying on any of the requests.</p>