(1) This section applies to a person who is:
(a) under the age of 60; and
(b) an ordinary employer - sponsored member of PSSAP within the meaning of subsection 18(2), (3) or (5) in respect of particular employment or the holding of a particular office.
(2) The member is not capable of being retired from the employment or office on the ground of invalidity unless:
(a) CSC has approved, under the Rules, the invalidity retirement of the member; and
(b) CSC has certified in writing under this paragraph that, if the member is so retired, the member will be entitled to receive invalidity benefits under PSSAP.
(3) A reference in subsection (2) to a member being retired from employment or office includes a reference to the services of the member being otherwise terminated.
(4) Subsection (2) has effect despite anything contained in any Act, award, determination, agreement or contract of employment.