Соответствующая норма
United Kingdom of Great Britain and Northern Ireland
Practice Relating to Rule 117. Accounting for Missing Persons
Section C. International cooperation to account for missing persons
In 1995, during a debate in the UN Security Council, the United Kingdom stated that it was essential that the ICRC be given full access to those missing from Srebrenica and elsewhere and urged the Bosnian Serb party to comply with its obligations in this respect. 
United Kingdom, Statement before the UN Security Council, UN Doc. S/PV.3612, 21 December 1995, pp. 8–9.
In 2004, in a written answer to a question concerning civilian fatalities in Iraq, the UK Minister of State for Defence stated:
UK forces inform the International Committee of the Red Cross of all confirmed civilian fatalities of which they are aware have been caused, or allegedly caused, by UK forces. The ICRC then endeavours to inform the relatives as soon as practicable. 
United Kingdom, House of Commons, Written answer by the Minister of State for Defence, Hansard, 12 January 2004, Vol. 416, Written Answers, col. 537W.