“… ultimately one single question arises for determination by the Court: is the [statutory] scheme not merely harsh but plainly unfair so that, however effectively that unfairness may assist in achieving the social goal, it simply cannot be permitted? In addressing this question I for my part would recognise a wide discretion in the Secretary of State in his task of devising a suitable scheme, and a high degree of deference due by the Court to Parliament when it comes to determining its legality. Our law is now replete with dicta at the very highest level commending the courts to show such deference.”
“According to the court's well-established case law … an interference, including one resulting from a measure to secure the payment of taxes, must strike a 'fair balance' between the demands of the general interest of the community and the requirements of the protection of the individual's fundamental rights. The concern to achieve this balance is reflected in the structure of art 1 as a whole, including the second paragraph: there must therefore be a reasonable relationship of proportionality between the means employed and the aims pursued. Furthermore, in determining whether this requirement has been met, it is recognised that a contracting state, not least when framing and implementing policies in the area of taxation, enjoys a wide margin of appreciation and the court will respect the legislature's assessment in such matters unless it is devoid of reasonable foundation …”