(1) The Commission may give a written notice to the administrator of the Commonwealth superannuation scheme (the administrator ):
(a) stating that the Commission might make, or might have made, an overpayment of compensation to the incapacitated person; and
(b) requiring the administrator to tell the Commission whether:
(i) the incapacitated person has received any payment in respect of his or her entitlement mentioned in paragraph 417(1)(b); and
(ii) all the incapacitated person's benefits under the scheme have been deferred; and
(c) if the incapacitated person has not received such payment and the incapacitated person's benefits have not been deferred--requiring the administrator to do the things mentioned in subsection (2).
(2) The notice may require the administrator:
(a) not to pay any pension or lump sum to the incapacitated person until the administrator receives a notice from the Commission under subsection 420(2); and
(b) as soon as practicable, to give the Commission details of the following amount that is payable to the incapacitated person under the Commonwealth superannuation scheme:
(i) the amount of the pension;
(ii) the amount of the lump sum worked out as at the date of the incapacitated person's cessation of employment;
(iii) the amount of the pension and the lump sum as so worked out;
(as the case requires).