(1)In section 1(1) of the [1976 c. 85.] National Insurance Surcharge Act 1976 (surcharge on earnings in respect of which secondary Class 1 contributions are payable), for lie words " 1 ½ per cent." there shall be substituted the words " 1 per cent " .
(2)Subject to section 1(2) of the [1982 c. 55.] National Insurance Surcharge Act 1982, this section applies with respect to earnings paid on or after 1st August 1983.