(1) A widow or widower is entitled to a survivor's benefit if—
(a) the survivor is under pensionable age at the time when his or her late spouse dies;
(b) the survivor's late spouse's death was not due to employment injury; and
(c) the late spouse satisfied the prescribed contribution conditions for a survivor's benefit; or was at the time of his or her death in receipt of a pension under this Act.
(2) A survivor's benefit shall be payable to a widow or widower for such period as is prescribed following his or her spouse's death; however, this benefit shall not be payable for any period during which he or she cohabits with another person as his or her spouse.