(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 “6th April 1993” there shall be substituted the date “6th April 1994”; and
(b) for the sums “£56” and “£420” there shall be substituted respectively the sums “£57” and “£430”.
(3) In regulation 123D(1)(b) (special provisions as to volunteer development workers) for “6.6 per cent.” there shall be substituted “5.6 per cent.”.