(1) If a person satisfies the Secretary that:
(a) the person, or the person's partner, has engaged in a particular activity; and
(b) the activity involves a substantial degree of personal exertion on the part of the person or the person's partner, as the case may be; and
(c) the activity does not consist of voluntary work for a charitable, welfare or community organisation; and
(d) because of special circumstances, the activity should be treated as gainful work;
the Secretary may determine that this Part has effect as if the activity were gainful work .
(2) The determination has effect accordingly.