Related Rule
Australia
Practice Relating to Rule 33. Personnel and Objects Involved in a Peacekeeping Mission
Australia’s Criminal Code Act (1995), as amended to 2007, states with respect to serious war crimes that are committed in the course of an international armed conflict:
268.37 War crimeattacking personnel or objects involved in a humanitarian assistance or peacekeeping mission
(1) A person (the perpetrator) commits an offence if:
(a) the perpetrator directs an attack; and
(b) the object of the attack is personnel involved in a humanitarian assistance or peacekeeping mission in accordance with the Charter of the United Nations; and
(c) the personnel are entitled to the protection given to civilians under the Geneva Conventions or Protocol I to the Geneva Conventions; and
(d) the perpetrator’s conduct takes place in the context of, and is associated with, an international armed conflict.
Penalty: Imprisonment for life.
(2) A person (the perpetrator) commits an offence if:
(a) the perpetrator directs an attack; and
(b) the object of the attack is installations, material, units or vehicles involved in a humanitarian assistance or peacekeeping mission in accordance with the Charter of the United Nations; and
(c) the installations, material, units or vehicles are entitled to the protection given to civilian objects under the Geneva Conventions or Protocol I to the Geneva Conventions; and
(d) the perpetrator’s conduct takes place in the context of, and is associated with, an international armed conflict.
Penalty: Imprisonment for 20 years.
(3) Strict liability applies to paragraphs (1)(c) and (2)(c). 
Australia, Criminal Code Act, 1995, as amended to 2007, Chapter 8, § 268.37, p. 326.
The Criminal Code Act states with respect to war crimes that are serious violations of the laws and customs of war applicable in a non-international armed conflict:
268.79 War crimeattacking personnel or objects involved in a humanitarian assistance or peacekeeping mission
(1) A person (the perpetrator) commits an offence if:
(a) the perpetrator directs an attack; and
(b) the object of the attack is personnel involved in a humanitarian assistance or peacekeeping mission in accordance with the Charter of the United Nations; and
(c) the personnel are entitled to the protection given to civilians under the Geneva Conventions or Protocol II to the Geneva Conventions; and
(d) the perpetrator’s conduct takes place in the context of, and is associated with, an armed conflict that is not an international armed conflict.
Penalty: Imprisonment for life.
(2) A person (the perpetrator) commits an offence if:
(a) the perpetrator directs an attack; and
(b) the object of the attack is installations, material, units or vehicles involved in a humanitarian assistance or peacekeeping mission in accordance with the Charter of the United Nations; and
(c) the installations, material, units or vehicles are entitled to the protection given to civilian objects under the Geneva Conventions and Protocol II to the Geneva Conventions; and
(d) the perpetrator’s conduct takes place in the context of, and is associated with, an armed conflict that is not an international armed conflict.
Penalty: Imprisonment for 20 years.
(3) Strict liability applies to paragraphs (1)(c) and (2)(c). 
Australia, Criminal Code Act, 1995, as amended to 2007, Chapter 8, § 268.79, p. 355.
Australia’s ICC (Consequential Amendments) Act (2002) incorporates into the Criminal Code the war crimes defined in the 1998 ICC Statute, including “attacking personnel or objects involved in a humanitarian assistance or peacekeeping mission” in international and non-international armed conflicts. 
Australia, ICC (Consequential Amendments) Act, 2002, Schedule 1, §§ 268.37 and 268.79.
During a debate in the UN General Assembly following the shelling of the UN compound at Qana on 18 April 1996, Australia stated that all attacks against UN peacekeepers were totally unacceptable and contrary to the norms of international law. 
Australia, Statement before the UN General Assembly, UN Doc. A/50/PV.116, 25 April 1996, p. 6.