The National Insurance (Classification) Amendment Regulations 1957
Made 16th December, 1957. Laid before Parliament 20th December, 1957. Coming into Operation 6th January, 1958.

The Minister of Pensions and National Insurance, in conjunction with the Treasury, in exercise of powers conferred by section 1 of the National Insurance Act, 1946(a), and of all other powers enabling him in that behalf, hereby makes the following regulations:-