(1) Section 9 of the Act (calculation of secondary Class 1 contributions) shall be amended in accordance with the provisions of this article.
(2) In subsection (3) (secondary earnings brackets)—
(a) for the figure “£104.99” specified in respect of Bracket 1 there shall be substituted the figure “£109.99”;
(b) for the figures “£105.00” and “£149.99” specified in respect of Bracket 2 there shall be substituted respectively the figures “£110.00” and “£154.99”;
(c) for the figures “£150.00” and “£204.99” specified in respect of Bracket 3 there shall be substituted respectively the figures “£155.00” and “£209.99”;
(d) for the figure “£205.00” specified in respect of Bracket 4 there shall be substituted the figure “£210.00”.