24. (1) The provisions of the Principal Act specified in Schedule 2 are amended—
(a) by omitting “workman” (wherever occurring) and substituting “worker”;
(b) by omitting “workmen” (wherever occurring) and substituting “workers”; and
(c) by omitting “workman's” (wherever occurring) and substituting “worker's”.
(2) The Principal Act is amended as set out in Schedule 3.
(3) The First Schedule to the Principal Act is amended as set out in Schedule 4.
(4) The Second Schedule to the Principal Act is amended by omitting the heading and substituting the following heading:
(5) The Third Schedule to the Principal Act is amended as set out in Schedule 5.
(6) The Fourth Schedule to the Principal Act is amended as set out in Schedule 6.