Is it registered in your name ? if it is ring them first tell them you bought it and stipped it for spares with the intention of re registering after doing it up but never give them to much details or they'll send you a summonds for not declaring a sorn ,now their goverment funding been cut they are out to make money bank on it ,i've had many a run in with them, but they hav'nt got me yet and the fine just keeps going up.