In this Order—
the term “ Government of Western Australia ” includes the Governor of Western Australia and any Minister of the Crown and any Department of the Government of Western Australia and any instrumentality of that State ;
the term “ Merchant Shipping Acts ” means and includes any of the Merchant Shipping Acts, any provision of which is by virtue of the Merchant Shipping Act 1906 and this Order applicable to Government ships ;
the term “ Permanent Head of a Department ” includes the chief executive officer of an instrumentality of the State of Western Australia ;
the term “ Western Australia Government ship ” means a ship—
which belongs to Her Majesty in right of the State of Western Australia; or
the beneficial interest in which is vested in Her Majesty in right aforesaid; or
which is for the time being demised or sub-demised to or in the exclusive possession of Her Majesty in right aforesaid.