(1) The principal Regulations shall be further amended in accordance with the following provisions of this regulation.
(2) In regulation 7 (lower and upper earnings limits for Class 1 contributions)—
(a) for the date of “6th April 1992” there shall be substituted the date of “6th April 1993”; and
(b) for the sums of “£54” and “£405” there shall be substituted respectively the sums of “£56” and “£420”.
(3) In sub-paragraphs (a) and (b) of regulation 115(1) (reduction of rate of Class 1 contributions payable in respect of earnings of serving members of the forces) for the figure “0.4” in each place where it appears there shall be substituted the figure “0.5”.