(1)A person born out of wedlock and legitimated by the subsequent marriage of his parents shall, as from the date of the marriage, be treated for the purposes of this Act as if he had been born legitimate.
(2)A person shall be deemed for the purposes of this section to have been legitimated by the subsequent marriage of his parents if by the law of the place in which his father was domiciled at the time of the marriage the marriage operated immediately or subsequently to legitimate him, and not otherwise.