§ Mr. McNamaraasked the Chancellor of the Exchequer what estimate he has made of the loss of revenue to the Exchequer by the growth of self-employed persons in the construction industry; in how many cases the description self-employed has been challenged for revenue purposes; and how many cases he has submitted to the courts for the years 1963, 1964, 1965 and in the first 11 months of 1966.
§ Mr. DiamondNo estimate has been made. I regret that the other information for which my hon. Friend asks is not available.