(1) For the purposes of subsections 23(3) and 31(2), account shall not be taken of a determination that the liability of the Commonwealth to make further payments to an employee under section 19, 20, 21 or 21A is to be redeemed if the determination:
(a) is revoked by the MRCC; or
(b) is set aside by a tribunal or court.
(2) Paragraph (1)(b) does not apply if a further determination is made by a tribunal or court, being a determination under which the liability of the Commonwealth to make further payments to the employee under section 19, 20, 21 or 21A is to be redeemed.