“I am quite willing to accept—indeed experience of its operation tells me—that the default surcharge regime, by and large, produces a fair penalty, or at least one which is not obviously disproportionate to the offence, albeit I have particular misgivings about the absence of any correlation between the period of delay and the amount of the penalty. But, as I have indicated, the penalty imposed in this case is in my view wholly disproportionate to the gravity of the offence—it is, as Simon Brown LJ put it in Roth , “not merely harsh but plainly unfair”—and I am not persuaded, in the absence of any justification of it, that it can be saved by the state’s margin of appreciation. It is, in my view, one of those exceptional cases which the tribunal had in mind in Greengate Furniture .”