(1) The Authority may, by notice published in the Gazette , revoke a declaration made under this Act where the Council has unanimously approved of that action being taken.
(2) Where:
(a) the Authority revokes a declaration declaring organisms of a kind to be target organisms; and
(b) by reason of that revocation there would be no target organisms for the purpose of controlling which organisms of a kind have been declared to be agent organisms;
the Authority shall revoke the declaration declaring those last - mentioned organisms to be agent organisms.