not in 3 years time I know living abroad can make you forget this sort of stuff as I did myself a while ago but every time a member retires, dies or otherwise leaves the post they were voted in for there has to be a byelection to allow folks to be represented they (the rebels) can therefore stand as representative candidates of an independent group. if they win that will give them the mandate to carry on, if they lose then they van fuck off out of politics for a year or three.