The Act and the provisions of the Act specified in Schedule 4 apply subject to the modifications specified in Schedule 4 to and in relation to the person who:
(a) on 10 September 1984, becomes an eligible employee by virtue of his holding the office of Director-General of Health; and
(b) was, for the period commencing on 13 February 1958 and ending on the expiration of 31 May 1974, a contributor to the Superannuation Fund established under the superseded Act.