3.—(1) The sums specified in paragraph (2) below shall be increased from and including the respective dates specified in article 6 below so as to have effect as set out in Schedule 1 to this Order.
(2) The sums mentioned in paragraph (1) above are the sums specified in Parts I, III, IV and V of Schedule 4 to the Contributions and Benefits Act (contributory periodical benefits, non-contributory periodical benefits, increases for dependants and rates of industrial injuries benefit), except in Part III the sum specified for age addition to a pension of any category, and otherwise under section 79 of that Act.