Related Rule
New Zealand
Practice Relating to Rule 112. Search for and Collection of the Dead
New Zealand’s Military Manual (1992) provides: “The parties to a conflict are obliged to take all possible measures … to search for the dead.” 
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 1003(1); see also § 1011(1).
The manual further states:
To facilitate the finding of the missing personnel Parties to the conflict endeavour to reach agreement to allow teams to search for … and recover the dead from battlefield areas and may attach to such teams representatives of the adverse Party when the search is taking place in areas controlled by the adverse Party. While carrying out these duties, members of the teams shall be respected and protected. 
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 1011(3).
With respect to non-international armed conflicts, the manual states: “Steps must be taken to search for the dead”. 
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 1817.