Peter Dunne: Dunne's Weekly - Removing An Incapacitated Leader
Both the law and the Cabinet Manual are silent on how to deal with the situation of a Prime Minister who, for whatever reason, becomes incapable of performing their duties, and who will not stand aside. The underlying assumption is that in such situations, which are extremely rare, common sense and good judgement will prevail and that the person will come to the “right” decision and stand down.