(1) If:
(a) at any time after the election of a Chief Minister, all the Ministerial offices (including the office of Chief Minister) have become vacant; and
(b) it is necessary to exercise powers of the Executive for the purpose of maintaining the provision and control of essential services;
the Commonwealth Minister may exercise those powers for that purpose until a Chief Minister is elected.
(2) Subsection (1) does not apply where the vacancies result from a dissolution of the Assembly.