Details are here: Please let me know if you think they will be effective as drafted.
http://meta.wikimedia.org/w/index.php?title=Wikimedia_UK_v2.0%2FElection_Rul...
Comments / changes as always welcome on meta or this email list.
As it is currently written, even those that do get over 50% would have to retire at the EGM, is this intentional? They've been duly elected to a 1 year term by a majority of the membership, I don't see why they can't complete it.