[RM7]

I've been through similar stuff. You are best off communicating by letter so there is a record of them being informed of the issue and their response. You need to document all of your interactions with them over this, write a summary for each one, sign it. You have to protect yourself in the sense that they may not choose to do the right thing. I've seen it and experienced it and won out each time, but in a few cases it was obvious they were going to try and weasel out of it and as soon as the written correspondence started, they shaped up quick.