handover
noun [ U ] uk/ˈhænd.əʊ.vər/ us/ˈhænd.oʊ.vɚ/
（控制权或责任的）移交
the giving of control of or responsibility for something to someone else
The United Nations is to supervise the handover of the prisoners of war. 联合国将监督战俘的移交事宜。
See also: hand something over