It appears he was claiming expenses for staying at a flat which was apparently in his wife's name, though they both stay there. He is not really entering into the spirit of the process, and seems to be in it for how much money he can make (history repeating there).
It would be interesting to know the amount of money involved. As it is, he appears to have made many enemis in the party (again, history repeating), and it may be a barrier to him becoming an MP again. Which is a good thing.