That sites dated July 2001.... lol
Im almost certain as well that a light is required for the numberplate... I think it also has to be white light as well... been meaning to have a chat with the MOT people regarding that, otherwise Id have to buy a tail tidy with numberplate light built in...
edit:
OK, cant find anything concrete that says about numberplate lights...
but this is the test form for what gets done to your bikes...
http://www.vosa.gov.uk/vosacorp/form...etestforms.htm
down towards bottom...
so at least most of everything else is covered on there....