"However, due to one of those weird technicalities that makes British justice the envy of the world, the powers that be will automatically add the days to your visa if you come up with an amazingly good excuse for disappearing abroad, like an illness or death in your family. Maximum of seven extra days. If you make it three, it’ll give us the extra time we need. After all, we’re expecting another killing on the thirtieth. If you have to fly off on that date it’s going to make anything we plan very difficult. Could you get a friend over the Pond to fax notification of a serious family illness to you? "