Ticket is a legal document, legal documents have to be correct, otherwise they don't count.
Plod can trace ANY car even with part reg, as computer system looks for alternate numbers + letters that fit description, so if you were the only one local they would go round and see the car for identyfying features etc, if it were serious enough but this isn't of course.
famous case of a man wheelying his bike past speed cams years ago hid part of plate, thought he was ok, idiot rode one of THREE bikes of that sort as was a BMW special, of the other two 1 was in bits, 1 was out of the country, he lived 2 miles away from camera, distinguishing fatures unique to his bike gave it away when inspected, ie bits he had added, he was succesfully prosecuted, and banned and fined.
tabetha