The complaints procedure is also very good. It is important that the licence number and photograph be displayed and not just on a small card at which one has to squint. One does not like to look over the taxi driver's back, because he knows damn well that one is going to make a complaint and he might clock the passenger one, particularly if he is one of the crooks. The licence number and photograph should be prominently displayed in both the front and the back so that a passenger in the rear of the vehicle can also see it.