73AUnlawfully giving or obtaining information as to defences

73A  Unlawfully giving or obtaining information as to defences  (1) A person who is a member of the Defence Force or a person appointed or engaged under the Public Service Act 1999 commits an offence if:  (a) the person communicates to any other person any plan, document, or information relating to any fort, battery, field work, fortification, or defence work, or to any defences of the Commonwealth, or to any factory, or air force aerodrome or establishment or any other naval, military or air force information; and  (b) the communication is not in the course of the first‑mentioned person’s official duty.  (a) the person obtains any plan, document, or information relating to any fort, battery, field work, fortification, or defence work, or air force aerodrome or establishment, or to any of the defences of the Commonwealth or any other naval, military or air force information; and  (b) that conduct is unlawful.