3.—(1) The provisions of this Act shall be in addition to and not in derogation of any of the provisions of any other Act restricting the employment of women, young persons, or children.
(2) Nothing in this Act shall apply to an industrial undertaking or ship in which only members of the same family are employed.
(3) Nothing in this Act shall prevent the employment in any industrial undertaking or ship of a child lawfully so employed at the commencement of this Act.
