Related Rule
New Zealand
Practice Relating to Rule 117. Accounting for Missing Persons
Section D. Right of the families to know the fate of their relatives
New Zealand’s Military Manual (1992) provides: “Belligerents must facilitate enquiries by members of families dispersed as a result of the war, with the object of renewing contact between them.” 
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 1113(2).