Related Rule
New Zealand
Practice Relating to Rule 135. Children
Section C. Evacuation
New Zealand’s Military Manual (1992) provides:
Belligerents must also facilitate the reception of these children [children under 15 who have been orphaned or separated from their families] by neutral States for the duration of hostilities, with the consent of the Protecting Power, if any, and under due safeguards as above. 
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 1112(1); see also § 1405(5).
The manual refers to Article 17 of the 1949 Geneva Convention IV, which “requires that belligerents endeavour to conclude local agreements for the removal from besieged or encircled areas of … children”. 
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 508(3).
With respect to non-international armed conflicts in particular, the manual provides:
If children’s safety requires their removal from the area in which they are, the consent of their parents or guardians should be obtained whenever possible and the children accompanied by persons responsible for their safety and well-being. 
New Zealand, Interim Law of Armed Conflict Manual, DM 112, New Zealand Defence Force, Headquarters, Directorate of Legal Services, Wellington, November 1992, § 1813(1).