WELL IT SHOULD BE MANDATORY,AS PUBLIC SERVANTS WHO PASS LEGISLATION tO SPY ON YOUR EVERY MOVE ,VIS CCTV,SPEED CAMERAS IT MAKES YOU WONDER IF DVLA IS ACTUALLY MI7,BUT THE REASON MUST BE BASED ON IF YOU'VE DONE NOTHING WRONG YOU HAVE NOTHING TO FEAR SCENARIO.SO BY DEFAULT THERE MUST BE A REASON.MAYBE THEY MIGHT BE RECOGNIZED AS BADGER HUNTERS,BY THE BADGERS OF HAMPSTEAD HEATH ,JUST A THOUGHT MAYBE THERE'S A SECRET SOCIETY YA,KNOW,( BADGERS R US )WITH ROCKET RON AS CHAIRMAN.