Can the insurance company claim their excess hindmost if issued contained by error?

I had two claims in 2008, the first one be my "fault", the second one was not. They waved the excess on the second claim, but the first claim i have was my fault so i compensated the excess, but i had a letter from the third group regarding my first claim stating that their client was to blame. So i forwarded this dispatch onto my insurers and they paid the excess. I then received a phone ring up off my insurers four months later saw that i had to pay the excess put money on because they had ****** up, they had asked the wrong insurance company for the excess, and admit liability for the first claim when i had a letter stating i be not at fault.
Answers:
If they paid you within error then they can claim this payment pay for.
If you have any correspondence from them stating they would pay your excess subsidise then use that as leverage to get them to drop their claim as you be led to believe that this was a "proper" stipend to you.

If they care about customer service consequently they should let it ride or at least present a 50/50 split on it due to being their error.

j

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