Source: https://ihl-databases.icrc.org/customary-ihl/eng/docs/v2_cou_nz_rule90
Timestamp: 2019-04-18 19:38:48+00:00

Document:
New Zealand’s Military Manual (1992) provides, regarding the punishment of prisoners of war, that “cruelty and torture are forbidden”.
The manual further provides with regard to internees: “In no case shall disciplinary penalties be inhuman, [or] brutal”.
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 1129.2.
The manual further stipulates, regarding civilians, that the 1949 Geneva Convention IV prohibits the parties from “taking any measure of such character as to cause the physical suffering … of protected persons in their hands”, including torture.
According to the manual, “torture or inhuman treatment of protected persons” is a grave breach of the 1949 Geneva Conventions I and II.
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 1702.1.
With regard to non-international armed conflicts, the manual restates the prohibition of torture and cruel treatment contained in common Article 3 of the 1949 Geneva Conventions.
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 1807.1; see also § 1812.1.
(c) Is an accessory after the fact to an act of torture.
(3) This section applies to any person who is a public official or who is acting in an official capacity.
New Zealand, Crimes of Torture Act, 1989, as amended to 2007, § 3.
Under New Zealand’s International Crimes and ICC Act (2000), genocide includes the crimes defined in Article 6(b) of the 1998 ICC Statute, crimes against humanity include the crimes defined in Article 7(1)(f) of the 1998 ICC Statute and war crimes include the crimes defined in Article 8(2)(a)(ii), (b)(xxi) and (c)(i) and (ii) of the 1998 ICC Statute.
but does not include any act or omission arising only from, or inherent in, or incidental to, any lawful sanctions that are not inconsistent with the Articles of the International Covenant on Civil and Political Rights.
New Zealand, Crimes of Torture Act, 1989, as amended to 2007, § 2.

References: § 1129
 § 1702
 § 1807
 § 1812
 § 3
 § 2