, Rates of surtax in the UK
, 500 were exempt from surtax but above that level the whole schedule applied so that tax was paid on all surtaxable income above £2,000. However, marginal relief was available to prevent a large jump in taxable liability at £2,300 whereby incomes between £2,500 and £2, For 1969-70 and 1970-71 surtaxable incomes below £2
, For 1971-72 and 1972-73 incomes below £3,000 were exempt from surtax. Marginal relief was available for surtaxable incomes in the range £3,000 to £3,499 whereby tax was only charged at 40 per cent (44 per cent in 1972-73) of the excess over £3,000, vol.639, p.61, 0840.