(1) In this section:
"deceased person" means a person who was, at the time of his or her death, an eligible employee or a retirement pensioner.
(2) For the purposes of this Act, a person is a spouse who survives a deceased person if the person had a marital or couple relationship with the deceased person at the time of the death of the deceased person (the death ).
(3) In spite of subsection (2), a person is taken to be a spouse who survives a deceased person if:
(a) the person had previously had a marital or couple relationship with the deceased person; and
(b) the person did not, at the time of the death, have a marital or couple relationship with the deceased person but was legally married to the deceased person; and
(d) in CSC's opinion, the person was wholly or substantially dependent upon the deceased person at the time of the death.