5.—(1) A pension under this Act granted to the wife of a person shall be payable either, as the person may elect when he makes the surrender under this Act—
(a) during the period (if any) for which the wife survives the person, or
(b) during both the period of the joint lives of the person and the wife subsequent to the retirement of the person and the period (if any) for which the wife survives the person.
(2) A pension under this Act granted to a dependant of a person shall be payable during the period (if any) for which the dependant survives the person.
