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New Zealand
Practice Relating to Rule 12. Definition of Indiscriminate Attacks
Section C. Attacks whose effects cannot be limited as required by international humanitarian law
New Zealand’s Military Manual (1992) states: “Indiscriminate attacks are: … c. those which employ a method or means of combat the effects of which cannot be limited as required by [the 1977 Additional Protocol I].” 
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 509(4).
The manual further states: “Weapons which cannot be directed at military objectives or the effects of which cannot be limited are prohibited.” 
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 517.