DVLA Number plate rules - How to display a registration and avoid a fine MOTORISTS must display their number plate in a certain way and abide by certain rules to avoid landing a huge fine and fail the MOT test. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:67 number plates - When do the new plates come in? How does the plate system work? Leaving you engine running could cost you £80 fine and emits dangerous levels of emissionsAston Martin commits future to electric cars with 100 per cent hybrid vow by 2020New Porsche Cayenne 2018 REVEALED - UK price, specs, release dates and picturesNew Dacia Duster 2018 revealed in pictures ahead of world debutYou could save THOUSANDS by buying your new car before the end of August