(1) For the purposes of the application of this Part to a particular primary offence, Australia has the same meaning it would have if it were used in a geographical sense in the provision creating the primary offence.
(2) For the purposes of the application of this Part to a particular ancillary offence, Australia has the same meaning it would have if it were used in a geographical sense in the provision creating the primary offence to which the ancillary offence relates.
(3) For the purposes of this Part, if a provision creating an offence extends to an external Territory, it is to be assumed that if the expression Australia were used in a geographical sense in that provision, that expression would include that external Territory.
(4) This section does not affect the meaning of the expressions Australian aircraft, Australian citizen or Australian ship.