HC Deb 19 March 1975 vol 888 cc451-2W
Mr. Wigley

asked the Chancellor of the Exchequer what would be the estimated annual cost of allowing the self-employed earnings-related class 4 contribution to be tax-deductible for income tax purposes.

Mr. Robert Sheldon:

Information on which to base a precise calculation is not avilable but it is estimated that the full-year cost would be about £25 million.