Соответствующая норма
Practice Relating to Rule 117. Accounting for Missing Persons
Indonesia’s Military Manual (1982) provides: “The parties to the conflict should search for missing persons, who are reported by the adverse party, soon after the hostilities cease.” 
Indonesia, The Basics of International Humanitarian Law, Legal Division of the Indonesian Armed Forces, 1982, § 98.
In 1995, during a debate in the UN Security Council, Indonesia associated itself “with the demands that … representatives of UNHCR, the ICRC and other international agencies [be granted] unconditional access to persons … reported missing”. 
Indonesia, Statement before the UN Security Council, UN Doc. S/PV.3612, 21 December 1995, p. 12.