(1) Subject to this Act, widow's (non-contributory) pension shall be payable to a widow.
(2) A woman whose husband dies while she is in receipt of or entitled to deserted wife's allowance shall, subject to the provisions of this Chapter, in lieu of that allowance, be entitled to widow's (non-contributory) pension at the same rate as that of the deserted wife's allowance payable to her.
(3) A widow's (non-contributory) pension payable to a widow shall, subject to this Chapter, continue to be payable unless she remarries and in such a case the pension shall cease as on and from her remarriage.