“[25] …the principle of proportionality in its broad sense…is divided into sub-principles: first, a measure must be suitable for the purpose for which the power has been conferred; secondly, it must be necessary in the sense that the purpose could not have been achieved by some other means less burdensome to the persons affected and thirdly, it must be proportionate in the narrower sense, that is, the burdens imposed by the exercise of the power must not be disproportionate to the object to be achieved….”
“[73]…a smaller penalty will always be less interventionist than a larger one; but it cannot be sensibly be argued that the State must therefore impose the minimum penalty which might have some deterrent effect….”
“[89]…If the penalty imposed on the person who is a day late is proportionate, it is not to the point that a different regime might properly impose further penalties on a person who continues in default…”
“[99] In our judgment, there is nothing in the VAT default surcharge which leads us to the conclusion that its architecture is fatally flawed…”
“[73] It is thus possible to envisage a penalty regime the architecture of which is unobjectionable, but which nevertheless leads occasionally to the imposition of a penalty so high as to be disproportionate…. [78] We accordingly consider…that it is open to us to consider the individual penalty without having first concluded that the system as a whole is disproportionate…”