Related Rule
New Zealand
Practice Relating to Rule 13. Area Bombardment
New Zealand’s Military Manual (1992) states that “an attack by bombardment by any methods or means which treats as a single military objective a number of clearly separated and distinct military objectives located in a city, town, village or other area containing a similar concentration of civilians or civilian objects” is an indiscriminate attack and, as such, prohibited. 
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 517(1)(5)(a) (land warfare) and § 630(1)(5)(a) (air warfare).