(1) The Secretary must not determine an application made by a person if :
(a) the person has already lodged an effective acceptance; or
(b) the person has made an application (the earlier application ) that has not been finally determined; or
(c) the re is an alternative amount for the person.
(2) The Secretary must not determine an application made on or after 1 December 2017 .
(3) An earlier application made by a person has been finally determined if:
(a) the person is taken to have declined an offer made in response to the application (see section 41 ); or
(b) the person has been given a refusal and the period for applying for a review of a determination included in the refusal has ended without the person making such an application; or
(c) the person has been given a refusal that includes a determination made by an external reviewer.
( 4 ) This section has effect despite anything else in this Act.